1effusive
a lot of emotion or enthusiasm
2obsequious
obscene attentiveness
3reticent
short, not going at length
5conciliatory
persuasive, winning someone to your side
6acerbic
very critical or ironic
7lugubrious
obscenely mournful
9sardonic
showing disrespect to someone
10insolent
rude or impolite
11pensive
dreamily thoughtful
12esoteric
understood by only a small number of people with certain knowledge
13pretentious
importance not merited by actual value
15diffident
lacking confidence
16abstruse
difficult to understand
18placating
stopping frustrations by acceding demands
19supercilious
showing scorn for inferiors