| Term | Definition |
| acrophobia | abnormal fear of being in high places |
| audiophile | one especially interested in high-fidelity sound reproduction |
| balletomania | extreme enthusiam for the ballet |
| bibliomania | craze for aquiring books, especially rare ones |
| bibliophile | lover of books |
| claustraphobia | dread of being in closed or narrow spaces |
| dipsomaniac | person with an uncontrolable craving for alcoholic beverage |
| Germanophobe | person who intensely fears or dislikes Germany or the Germans |
| kleptomaniac | one who has a persistent neurotic impulse to steal, through not in need |
| mania | exaggerated enthusiasm; craze; mad impulse |
| megalomania | mental disorder characterized by fantasies of grandeur, power, wealth, ect. |
| phobia | abnormal and persistent fear, dislike, or hatred |
| photophilic | light-loving; requiring abundant light |
| photophobia | painful sensitivity to light |
| photophobic | shunning light; light-hating |
| pyromaniac | person having an insane impulse to start fires |
| Russophobia | abnormal dislike of Russia or the Russians |
| bibliophobia | strong dislike of books |
| monomania | derangement of the mind on one subject only |
| xenophobia | fear or hatred of foreigners or strangers |