Antonyms of adj valid

2 senses of valid

Sense 1
valid (vs. invalid) -- (well grounded in logic or truth or having legal force; "a valid inference"; "a valid argument"; "a valid contract")

invalid (vs. valid) -- (having no cogency or legal force; "invalid reasoning"; "an invalid driver's license")
        => bad, uncollectible -- (not capable of being collected; "a bad (or uncollectible) debt")
        => fallacious, unsound -- (containing or based on a fallacy; "fallacious reasoning"; "an unsound argument")
        => false -- (erroneous and usually accidental; "a false start"; "a false alarm")
        => invalidated, nullified -- (deprived of legal force)
        => null, void -- (lacking any legal or binding force; "null and void")
        => sophistic, sophistical -- (plausible but misleading)

Sense 2
valid -- (still legally acceptable; "the license is still valid")

INDIRECT (VIA unexpired) -> expired -- (having come to an end or become void after passage of a period of time; "an expired passport"; "caught driving with an expired license")

Similarity of adj valid

2 senses of valid

Sense 1
valid (vs. invalid) -- (well grounded in logic or truth or having legal force; "a valid inference"; "a valid argument"; "a valid contract")
       => binding -- (executed with proper legal authority; "a binding contract")
       => legal, sound, effectual -- (having legal efficacy or force; "a sound title to the property")
       => legitimate, logical -- (based on known statements or events or conditions; "rain was a logical expectation, given the time of year")
       => reasoned, sound, well-grounded -- (logically valid; "a sound argument")
       => validated -- (declared or made legally valid; "a validated claim")
          Also See-> legitimate#1; reasonable#1, sensible#1

Sense 2
valid -- (still legally acceptable; "the license is still valid")
       => unexpired (vs. expired) -- (not having come to an end or been terminated by passage of time; "elected to fill the senator's unexpired term"; "an unexpired driver's license")

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