as sharp as a needle Antonyms

absurd touched vacuous wooden around the bend barmy dotty loopy dopey potty thickheaded mentally retarded short-sighted certifiable unintelligent scatterbrained simple-minded nutty bovine clownish cracked crackled cuckoo delusional dozy dumb futile half-witted idiotic imbecile loony ludicrous lunatic schizophrenic