Now updated for CSW19. New words, if any, and new inflections of existing words, are shown in red.
| apathetic | lacking feeling or passion. |
| apathetical | lacking feeling or passion. |
| apathetically | (Adv.) APATHETIC, lacking feeling or passion. |
| apathy | lack of emotion. |
| blase | (Fr.) having the sensibilities deadened by excess or frequency of enjoyment. |
| impassive | not showing feeling or emotion. |
| impassively | (Adv.) IMPASSIVE, not showing feeling or emotion. |
| impassivity | the quality of being impassive. |
| imperturbable | marked by extreme calm, impassivity, and steadiness. |
| imperturbably | (Adv.) IMPERTURBABLE, marked by extreme calm. |
| indifference | the state of being indifferent. |
| indifferency | the state of being indifferent. |
| indifferent | marked by impartiality (noun) a person who is indifferent |
| indifferently | (Adv.) INDIFFERENT, marked by impartiality. |
| insensibility | the state of being insensible. |
| insentiency | the state of being insentient. |
| jadishness | the state of being jaded. |
| nonchalance | the state of being nonchalant. |
| nonchalant | having an air of easy unconcern or indifference. |
| nonchalantly | (Adv.) NONCHALANT, having an air of easy unconcern or indifference. |
| pococurante | (Ital.) different, nonchalant; (noun) one who is indifferent. |
| sangfroid | (Fr.) self-possession or imperturbability esp under strain. |
| stolid | impassive, unemotional. |
| stolidity | impassivity. |
| stolidly | (Adv.) STOLID, impassive, unemotional. |
| stolidness | the state of being stolid. |
| unconcern | lack of concern. |
| unconcerned | not involved. |
| unconcernedly | (Adv.) UNCONCERNED, not involved. |