1satiate
to satisfy fully or overindulge
2soporific
causing sleep or lethargy
3specious
deceptively attractive; seemingly plausible but fallacious
4stigma
a mark of shame or discredit
5stolid
unemotional; lacking sensitivity
7tacit
done without using words
8taciturn
silent; not talkative
9tirade
long, harsh speech or verbal attack
10torpor
extreme mental and physical sluggishness
11transitory
temporary; lasting a brief time
12vacillate
to sway physically; to be indecisive
13venerate
to respect deeply
14veracity
truthfulness, accuracy
17volatile
easily aroused or changeable; lively or explosive
18waver
to fluctuate between choices
19whimsical
acting in a fanciful or capricious manner; unpredictable
20zeal
passion, excitement