The opposite of QUIET is...
quietless
noisy
nonquiet
unquiet
The opposite of NERVOUS is...
calm
disnervous
tranquilize
quiet
The opposite of OUTGOING is...
ingoing
extroverted
sociable
shy
The opposite of THOUGHTFUL is...
inthoughtful
thoughtless
loyal
sadistic
The opposite of NICE is...
sweet
spoiled
niceless
mean
The opposite of AFFECTIONATE is...
nasty
unaffectionate
ugly
The opposite of MOODY is...
unmoody
cheerful
cheerless
moodful
The opposite of WITTY is...
witless
unwitty
dull
The opposite of CRUEL is...
handsome
weak
sexy
kind
The opposite of NAUGHTY is...
good
naughtless
unnaughty
behaved
The opposite of LOYAL is...
tidy
disloyal
The opposite of SENSIBLE is...
insensible
unfeeling
reckless
senseless
The opposite of PATIENT is...
doctor
unpatient
dispatient
impatient
The opposite of SELFISH is...
buyish
egofull
untidy
selfless
The opposite of STUBBORN is...
unstubborn
stubbornless
open-minded
unborn
The opposite of BRAVE is...
heartless
braveless
cowardly
sympathetic
The opposite of SENSITIVE is...
insensitive
sensible
silly
insense
The opposite of INSECURE is...
secure
secureful
safe
self-confident
The opposite of STRICT is...
punctual
strictless
unstrict
lenient