invalid Synonyms

handicap incapacitate disable unwell valetudinary sophistic sophistical specious spurious sufferer valetudinarian unreasonable unreasoned unsound untrue unfounded sickly sickish misspelled mistrial noneffective nugatory null nullified paralogical patient qualmish reasonless seasick self-contradictory sick sicker marabout valueless void inauthentic unsupported untenable nonvalid null and void wide of the mark paraplegic unchartered unconvincing uncorroborated unratified unrenewed unretentive unscientific pseudoscientific