mercurial Synonyms
erratic
fickle
quicksilver
spright
swooping
telegraphic
temperamental
uncertain
uneven
unreliable
shifting
revocable
restless
mutable
nickelic
nickeline
passionate
pewtery
protean
reformable
rescindable
unstable
vacillating
airborne
moblike
unequable
chancy
ever-changing
oversensitive
unpredictable
undependable
activistic
unsteady
unsettled
variable
varying
vicissitudinous
volant
volatile
wavering
whimsical
winged
up and down
movable
active
changeable
changeful
commutative
coquettish
cuprous