| A | B |
|---|
| abhor | to hate intensely (verb) |
| diffident | lacking confidence; quiet and shy (adj) |
| ebullience | intense and joyful enthusiasm (noun) |
| effusive | gushy; highly emotional, especially in expressing gratitude or praise (adj) |
| enervate | to weaken the strength or health of (verb) |
| frenetic | wildly excited or active (adj) |
| impetuous | characterized by sudden energy and emotion; impulsive and passionate |
| implacable | impossible to appease or satisfy (adj) |
| listless | indifferent; unwilling to act or even move; lazy |
| mercurial | subject to rapid and EXTREME changes in mood; volatile (adj) |
| rancorous | hateful; marked by deep-seated ill will (adj) |
| reticent | reluctant to speak; shy (adj) |
| staid | characterized by strait-laced sense of correct behavior; unusually preoccupied with one's own dignity (adj) |
| stoic | indifferent to emotions or pain (adj); one who is indifferent to emotions or pain (noun) |
| swagger | to boast; to strut or otherwise demonstrate EXCESSIVE pride (verb) |
| tepid | lukewarm; lacking emotion (adj) |
| torpor | laziness; inactivity; dullness (noun) |
| trepidation | uncertainty; fear (noun) |
| wary | on guard; watchful (adj) |
