| A | B |
| introspective (INTRO into + SPECT look) | to look inwards |
| inveterate (IN in + think VETERAN) | habitual; firm and long established |
| invidious (IN in + VID look/see) | causing envy; in a situation in which you look at someone else and wish to be in his or her shoes |
| ire | intense anger or wrath. |
| irrevocable (IR not + RE back + VOC voice/call) | not able to call back again; what's done is done and can't be changed |
| isochronous (ISO same or equal + CHRON time) | relating to or denoting equal intervals of time. |
| lascivious | lustful; arousing sexual desire |
| lucid (LUC light) | easily understand; shining; bright; crystal clear |
| magniloquence (MAGN great + LOQU talk) | the ability to speak extremely well |
| magnum opus (MAGN great + OPUS work) | a person or people's great work or accomplishment |
| malediction (MAL bad + DICT say/word) | harsh words; words intended to harm |
| maleficent (MAL bad; think the opposite of beneficient) | doing evil, harm, or mischief |
| malevolence (MAL bad + VOL will) | wishing harm on others; evil intent |
| megalomania (MEGA large/great + MANIA obsession) | obsessed with greatness; desiring to be greater, or superior, to others--and actually believing its true |
| monocle (MONO one + OCUL eye) | a single eyeglass (used to be the fashion!) |
| monograph (MONO one + GRAPH write) | a paper written on a single subject |
| monotone (MONO one + TONE) | literally, speaking in one tone; lacking variety--always the same--therefore, dull and boring |
| moribund (MORT death + BUND state of) | dying |
| mundane (MUND world) | common, ordinary, typical ("worldly" things) |
| nefarious (note ne- as a negative prefix) | extremely wicked or villainous |
| nondescript (NON not + DESCRIBE) | of no category; not definable (a nondescript face leaves no impression) |
| nonentity (NON not) | a person or thing of little or no account. |
| nonpareil (NON not or no + PAR equal) | one who or that which is of unequaled excellence. |
| officious | intermeddling with what is not one's concern (one who behaves like an officer but has no such authority) |
| omnifarious (OMNI all + FAR/FER carry + OUS full of) | of all kinds; carrying all sorts of things |