Now updated for CSW19. New words, if any, and new inflections of existing words, are shown in red.
| adolescent | in the state of adolescence (noun) one of adolescent age |
| adolescently | (Adv.) ADOLESCENT, in the state of adolescence. |
| adult | grown up (noun) a fully developed individual |
| adulthood | the state of being an adult. |
| adultlike | like an adult. |
| adultly | (Adv.) ADULT, grown up. |
| adultness | the state of being adult. |
| aetatis | (Latin) at the age of. |
| aged | being of a certain age; old. |
| agedly | (Adv.) AGED, old. |
| agedness | the state of being aged. |
| ageless | never growing old. |
| agelessly | (Adv.) AGELESS, never growing old. |
| agemate | a person the same age as another person. |
| ager | one that ages. |
| aine | (Fr.) (of a male) elder, senior. |
| ainee | (Fr.) (of a female) elder, senior. |
| ancient | very old (noun) an old person |
| ancientness | the quality of being ancient. |
| ancientry | (Arch.) the state of being ancient; old people collectively. |
| anile | of, relating to, or suggesting a doddering old woman. |
| anility | the state of being an old woman. |
| antenati | (Lat.) those born before a certain date. |
| anticke | (Obs.) antique; (noun) an antic. |
| antiquatedness | the state of being antiquated. |
| antique | very old; (noun) something very old; (verb) to alter the appearance of eg wood to make it seem very old |
| antiquely | (Adv.) ANTIQUE, very old. |
| antiquey | having a very old look > ANTIQUIER, ANTIQUIEST. |
| antiqueness | the state of being antique. |
| antiquity | the quality of being ancient. |
| archaic | ancient. |
| archaical | ancient. |
| archaically | (Adv.) ARCHAICAL. |
| auld | (Scots) old. |
| babyhood | the state of being a baby. |
| bacha | (Hinglish) in India, a young child. |
| bachcha | (Hinglish) in India, a young child. |
| bairnlike | (Scots) childlike. |
| bairnly | like a child. |
| bantling | (Arch.) a baby, a very young child. |
| boyhood | the state of being a boy. |
| caillach | (Gaelic) an old woman. |
| cailleach | (Gaelic) an old woman. |
| cailliach | (Gaelic) an old woman. |
| carlin | (Scots) an old woman, a witch. |
| carline | (Scots) an old woman, a witch. |
| centenarian | a person who is over one hundred years old. |
| centenarianism | the state of being a centenarian. |
| childhood | the state of being a child. |
| childish | resembling a child. |
| childishly | (Adv.) CHILDISH, resembling a child. |
| childishness | the state of being childish. |
| childlike | like a child. |
| childlikeness | the state of being childlike. |
| coaeval | belonging to the same period; (noun) a person of the same age. |
| coelacanthic | jocularly, old but worth keeping. |
| coetaneous | having the same age; coeval. |
| coetaneously | (Adv.) COETANEOUS, having the same age. |
| coetaneousness | the state of being coetaneous. |
| coeval | belonging to the same period (noun) a person of the same age |
| coevality | the state of being coeval, belonging to the same period. |
| coevally | (Adv.) COEVAL, belonging to the same period. |
| concubitant | of a suitable age for marriage; (noun) someone of a suitable age for marriage. |
| crone | an old woman. |
| cronish | like a crone. |
| demode | (Fr.) old-fashioned. |
| doited | (Scots) in one's dotage. |
| doitit | (Scots) in one's dotage. |
| dotage | a state of senility. |
| eild | old age. |
| eld | (Arch.) old age. |
| elder | an older person. |
| elderliness | the state of being elderly. |
| elderly | aged; (noun) elderly people. |
| eldership | the state of being older; seniority. |
| ephebic | pertaining to the adult period in the life-history of an individual. |
| fiftyish | being about fifty years old. |
| fogramity | the state of being antiquated. |
| fortyish | being about forty years old. |
| gaffer | an old man; a TV lighting technician. |
| gammer | an old wife, an old woman. |
| geriatric | relating to old people; (noun) an old person. |
| gerontic | relating to the senescent period in the life history of an individual. |
| girlhood | the state of being a girl. |
| grandame | (Arch.) a grandmother. |
| graybeard | an old man. |
| grayhead | one with grey hair. |
| grayheaded | having gray hair. |
| greybeard | an old man. |
| greyhead | one having grey hair. |
| greyheaded | having grey hair. |
| grownup | an adult. |
| hebetic | of or pertaining to puberty. |
| hoarhead | a hoary-headed old man. |
| infancy | the state of being an infant. |
| infant | a child in the earliest stages of life. |
| infanthood | infancy. |
| infantile | like an infant, childish. |
| infantine | like an infant, childish. |
| interage | including persons of various ages. |
| jeune | (Fr.) young. |
| junior | a person who is younger than another; (verb) (of a lawyer) to assist the lead lawyer on a case. |
| juniority | the state of being junior. |
| juvenal | a youth; (ornith.) a juvenile. |
| juvenile | young, not adult (noun) a young person |
| juvenilely | (Adv.) JUVENILE, not adult. |
| juvenility | youthfulness; adolescence. |
| kiddish | childish. |
| kiddishness | the state of being kiddish. |
| kidlike | like a kid. |
| ladhood | the state of being a lad. |
| lastborn | the last child to be born. |
| laterborn | someone born later. |
| littlie | (Aust. sl.) a young child. |
| longaeval | long-lived. |
| longaevous | long-lived. |
| longeval | long-lived. |
| longevity | long life. |
| longevous | long-lived. |
| mature | fully developed (verb) to make or become mature |
| matureness | the state of being mature. |
| maturer | one who matures. |
| midlife | the middle of one's life, as in midlife crisis. |
| midlifer | a middle-aged person. |
| modern | belonging to the present time (noun) one living in modern times |
| modernly | (Adv.) MODERN, belonging to the present time. |
| monthling | (Arch.) a month-old child. |
| multiage | including people of various ages. |
| mzee | (Swahili) an old person. |
| neanic | relating to the adolescent period in the life history of an individual. |
| neonatal | relating to the newly born. |
| neonatally | (Adv.) NEONATAL, relating to the newly born. |
| neonate | a newly born child. |
| newborn | newly born; (noun) a newborn child. |
| nonadult | one who is not an adult. |
| nonagenarian | a person whose age is in the nineties. |
| obsolesce | to grow obsolescent. |
| obsolete | outmoded (verb) to make or consider as obsolete |
| octogenarian | a person whose age is in the eighties. |
| octogenary | of eighty years of age; (noun) someone eighty years old. |
| old | aged (noun) an individual of a specified age |
| olde | (Facetious) old. |
| olden | former, old; (verb) to grow old. |
| oldie | (Coll.) an old person or thing. |
| oldish | somewhat old. |
| oldness | the state of being old. |
| oldster | an old person. |
| oldstyle | old-fashioned; (noun) an old-fashioned way of doing things. |
| oldy | (Coll.) an old person or thing. |
| ould | (Irish) old. |
| overaged | too old to be useful. |
| overdated | out of date. |
| passe | (Fr.) out of date, or nearly so. |
| passee | (Fr.) out of date, or nearly so. |
| postadolescent | someone just out of adolescence eg in their early twenties. |
| preadult | preceding adulthood; (noun) one of preadult age. |
| preaged | previously aged. |
| prenatal | being or happening before birth (noun) a prenatal examination |
| prenatally | (Adv.) PRENATAL, being or happening before birth. |
| prenubile | before the state of being nubile. |
| prepuberal | occurring in prepuberty. |
| prepubertal | occurring in prepuberty. |
| preschooler | a child not yet old enough for school. |
| preteen | a child who is not yet a teenager. |
| puberal | of or pertaining to puberty. |
| pubertal | of or pertaining to puberty. |
| pubescence | the state of being pubescent. |
| puerile | juvenile; childish. |
| puerilely | (Adv.) PUERILE, juvenile; childish. |
| puerilism | childishness. |
| quadragenarian | a person who is forty years old, or between forty and fifty. |
| quarterlife | designating the period of life immediately following the major changes of adolescence, usually early twenties to early thirties. |
| quinquagenarian | aged between fifty and sixty; (noun) a person in the fiftieth to sixtieth year of life. |
| senectitude | old age. |
| senesce | to become old. |
| senescence | the state of growing old; decay by time. |
| senescent | growing old. |
| senile | deteriorated with age (noun) one who exhibits senility |
| senilely | (Adv.) SENILE, deteriorated with age. |
| senility | mental and physical infirmity due to old age. |
| senior | a person who is older than another. |
| seniority | the state of being senior. |
| septuagenary | a septuagenarian. |
| sevenish | around seven years of age. |
| sexagenarian | aged between sixty and seventy years old; (noun) a person aged between fifty and sixty. |
| signeur | (Shakesp.) senior. No -S. |
| sixish | around six years of age. |
| sixtyish | about sixty. |
| staggy | of an animal, having the characteristics or appearance of a mature male; (of meat) coming from such an animal. |
| stripling | a youth in the state of adolescence, or just passing from boyhood to manhood. |
| subadolescent | a child who has not yet reached the age of adolescence. |
| subadult | older than a child, but not adult; (noun) someone older than a child but not adult. |
| subteen | a child younger than thirteen years. |
| tachistoscope | an instrument for rapidly showing images on a screen to test perception. |
| tachistoscopic | relating to use of the tachistoscope. |
| teenage | pertaining to teenagers; (noun) the age between thirteen and twenty. |
| teenaged | aged between thirteen and twenty. |
| teenager | a person between the ages of thirteen and nineteen. |
| teendom | teenagers collectively. |
| teener | a teenager. |
| thirtyish | about thirty (in age). |
| toddler | one that toddles. |
| toddlerhood | the state of being a toddler. |
| tweenage | having the characteristics of a tweenager. |
| tweenager | a child of approximately eight to fourteen years of age. |
| tweener | a child of approximately eight to fourteen years of age. |
| twichild | a person in his or her second childhood. |
| unadult | not adult. |
| unaged | not aged. |
| unageing | not ageing. |
| unaging | not aging. |
| unchildlike | not like a child. |
| underage | not yet of the required age; (noun) one who is underage. |
| underaged | not adult. |
| unyoung | not young. |
| venerability | the state of being venerable. |
| venerable | worthy of reverence (noun) a title of respect |
| venerably | (Adv.) VENERABLE, worthy of reverence. |
| veteran | a former member of the armed forces. |
| whitebeard | an old man, a graybeard. |
| woopie | a well-off older person. |
| woopy | a well-off older person. |
| wrinklie | (Coll.) an old person. |
| yealing | a person of the same age. |
| yeelin | a person of the same age. |
| young | born recently (noun) the young of a species |
| younger | an inferior in age. |
| youngers | young people. |
| youngish | somewhat young. |
| youngling | (Arch.) a young person or animal. |
| youngly | (Adv.) YOUNG, born recently. |
| youngness | the state of being young. |
| youngster | a young person. |
| youngth | (Spenser) youth. |
| youngthly | (Spenser) youthful. |
| youth | a young person. |
| youthen | to make or grow young. |
| youthful | young. |
| youthfully | (Adv.) YOUTHFUL, young. |
| youthfulness | the state of being youthful. |
| youthhead | (Obs.) youth. |
| youthhood | (Obs.) youth. |
| youthly | (Spenser) youthful. |
| youthsome | (Obs.) youthful. |
| youthy | (Scots) young. |