RichThesaurus
unsound
unsound
antonyms
sound
correct
strong
true
right
safe
rational
healthy
perfect
sane
sensible
accurate
working
firm
logical
valid
secure
reasonable
well
balanced
solid
wise
well founded
real
reliable
convincing
good
certain
stable
responsible
fixed
substantial
trustworthy
levelheaded
fit
judicious
cogent
intelligent
sure
ok
harmless
cool
honest
proven
just
faultless
prudent
sturdy
together
flawless
excellent
sober
commonsensical
protected
robust
thoughtful
calm
sagacious
precise
all there
weighty
well-founded
well-advised
worthwhile
wholesome
genuine
intact
credible
intellectual
legitimate
unblemished
lucid
fair
sufficient
normal
sincere
persuasive
reflective
pure
exact
durable
tough
discerning
guarded
satisfactory
authoritative
tenable
steady
deep
potent
truthful
undamaged
smart
substantiated
right-minded
unbroken
hearty
undecayed
telling
unbreakable
well-constructed
worthy
unwavering
whole
useful
up to snuff
well grounded
untreacherous
vibrant
young
wellgrounded
well maintained
well-grounded
vigorous
wrapped tight
vital
well judged
unconfused
assured
sapient
confirmed
analytical
matter-of-fact
effectual
cognitive
compelling
fixed
cheerful
circumspect
predictable
proper
efficacious
high quality
shrewd
dependable
quality
unhurt
common-sense
astute
undeniable
profound
knowing
official
not dangerous
playing with full deck
large
in the pink
entire
self-possessed
unimpaired
correct
having all marbles
heavy
fairminded
far-sighted
bona fide
authentic
in force
hale
lawful
binding
total
uninjured
pleased
indubious
thorough
functioning
fresh
sage
believable
kosher
repaired
kind
happy
both oars in water
collected
in working order
bright
deliberate
superior
first-rate
moderate
satisfying
of sound mind
stringent
uncorrupted
philosophic
practical
assisting
frank
tried
attested
nice
mended
enlightened
oriented
definite
efficient
hard-headed
unanswerable
unsound
definitions
adj
Not whole, not solid, defective.
Infirm, diseased.
Not good, unreliable.