plausible
believable, possible
scowl
grimace, frown
vanished
missing, absent, gone
comprehend
understand, know
compensation
payment, bonus
reluctant
hesitant, unsure
precise
exact
alternative
option, choice
enraged
angry, furious, mad
formidable
scary, intimidating
inevitable
unavoidable, certain
briskly
quickly, fast, rapidly
absurd
foolish, silly, weird
artificial
fake, imitation, not real
admire
like, approve, appreciate
bizarre
weird, strange
wary
cautious, scared of danger or problems
vigorous
energetic, strong
boisterous
rowdy, loud, noisy
unavoidable
can't be stopped
meticulous
careful
snicker
giggle, chuckle, laugh
contribute
give, donate
unkempt
messy, dirty, unclean
exhausted
tired, worn out
chuck
throw, toss
miserable
sad, bummed out
accelerate
speed up
dominate
rule, control
hostile
mean, aggressive
reserved
shy, timid, meek
contradict
disagree
unbiased
neutral, fair
abundant
plenty, a lot, many
concur
agree,