| Term | Definition |
| askance | SYNONYMS: distrustfully, suspiciously, skeptically |
| attenuate | SYNONYMS: thin out, dilute, water down |
| benign | SYNONYMS: benevolent, salutary, salubrious, harmless |
| cavil | SYNONYMS: nitpick, quibble |
| charlatan | SYNONYMS: fraud, mountebank |
| decimate | SYNONYMS: ravage, devastate |
| foible | SYNONYMS: shortcoming, defect, quirk |
| forgo | SYNONYMS: refrain from, renounce |
| fraught | SYNONYMS: charged with |
| inure | SYNONYMS: accustom, acclimate |
| luminous | SYNONYMS: radiant, bright, refulgent, lustrous |
| obsequious | SYNONYMS: fawning, servile, sycophantic, mealy-mouthed |
| obtuse | SYNONYMS: stupid, dumb, think, mild, dull-witted |
| oscillate | SYNONYMS: vibrate, vacillate |
| penitent | SYNONYMS: remorseful, regretful, rueful, sorry |
| peremptory | SYNONYMS: high-handed, unconditional |
| rebuff | SYNONYMS: (v.) spurn, repulse, reject; (n.) setback |
| reconnoiter | SYNONYMS: scout |
| sporadic | SYNONYMS: intermittent, spasmodic |
| attenuate | ANTONYMS: thicken, strengthen, bolster |
| benign | ANTONYMS: malevolent, deleterious |
| foible | ANTONYMS: forte, virtue |
| forgo | ANTONYMS: indulge in, partake of |
| fraught | ANTONYMS: devoid of, lacking, deficient in |
| luminous | ANTONYMS: dark, opaque, dim, murky |
| obsequious | ANTONYMS: assertive, bumptious, overbearing, candid, frank, independent |
| obtuse | ANTONYMS: acute, perceptive, quick-witted |
| penitent | ANTONYMS: unrepentant, remorseless |
| peremptory | ANTONYMS: irresolute, tentative, mild, unassuming |
| rebuff | ANTONYMS: (v.) accept, welcome |
| sporadic | ANTONYMS: constant, steady, continuous, uninterrupted |