Invalid


Synonyms for invalid
adj worthless; unfounded

baseless
unscientific
untrue
irrational
inoperative
unreasonable

unsound
null
void
bad
wrong
fallacious

illogical
mad
nugatory
null and void
sophistic
unreasoned

false
ill-founded
not binding
not working
reasonless

Antonyms for invalid

honest
valid
logical
sensible
stable

OK
worthwhile
worthy
healthy
true

reasonable
sound
good
right
well

Synonyms
adj sickly

peaked
down
debilitated
ill
disabled

sick
frail
ailing
bedridden
below par

feeble
infirm
poorly
run-down
weak

laid low
on the sick list
out of action

Antonyms

healthy
valid
worthwhile

worthy
happy
strong

well
sound

Synonyms
noun sick person

patient
consumptive

convalescent
incurable

sufferer
shut-in

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  • Invalidate

    Synonyms for invalidate verb render null and void impair annul revoke undo abolish nullify discredit quash negate abrogate disqualify overrule undermine annihilate abate refute overthrow neutralize negative nix unfit counterbalance offset cancel counteract weaken X-out blow sky-high circumduct disannul shoot full of holes Antonyms for invalidate aid assist validate permit institute legalize ratify sanction revive […]

  • Invalidated

    Synonyms for invalidate verb render null and void impair annul revoke undo abolish nullify discredit quash negate abrogate disqualify overrule undermine annihilate abate refute overthrow neutralize negative nix unfit counterbalance offset cancel counteract weaken X-out blow sky-high circumduct disannul shoot full of holes Antonyms for invalidated aid assist validate permit institute legalize ratify sanction revive […]

  • Invalidates

    Synonyms for invalidate verb render null and void impair annul revoke undo abolish nullify discredit quash negate abrogate disqualify overrule undermine annihilate abate refute overthrow neutralize negative nix unfit counterbalance offset cancel counteract weaken X-out blow sky-high circumduct disannul shoot full of holes Antonyms for invalidates aid assist validate permit institute legalize ratify sanction revive […]

  • Invalidatings

    Synonyms for invalidatings noun calling off; erasure retirement reversal revocation dissolution abandonment annulment abolition elimination repeal undoing invalidation recall abrogation repudiation deletion nullification retraction dissolving abandoning abolishing canceling invalidating overruling quashing recalling retracting reversing revoking withdrawing Antonyms for invalidatings validation confirmation permission enactment allowance approval arrangement establishment Synonyms noun demolition, devastation loss murder eradication ruin […]


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