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soundness
soundness
synonyms
strength
wisdom
sense
rationality
validity
stability
sanity
power
reasonableness
prudence
lucidity
acumen
effectiveness
understanding
balance
reason
robustness
force
saneness
firmness
cogency
weight
common sense
durability
marbles
sagacity
toughness
solidness
mentality
solidity
brains
security
potency
healthiness
perception
foundation
discernment
comprehension
authority
credibility
logic
wit
sturdiness
good sense
substance
ingenuity
sapience
intelligence
plausibility
vigor
more synonyms
soundness
antonyms
weakness
unsoundness
instability
infirmity
stupidity
insanity
frailty
unreasonableness
unsteadiness
disease
debility
insecurity
fragility
decrepitude
ignorance
unhealthiness
vulnerability
uncertainty
variability
wavering
craziness
folly
lack
decay
deficiency
shakiness
sickliness
inanity
shortcoming
implausibility
enervation
illness
delusion
imperfection
ricketiness
fault
flimsiness
feebleness
malaise
invalidity
madness
aberration
weak point
worry
transience
strangeness
witlessness
vagueness
treachery
vacillation
more antonyms