crazy or eccentric.

feeble or unsteady in gait.

very enthusiastic or infatuated (usually fol. by about or over ).

adjective

absurd , daft , demented , disturbed , eccentric , foolish , goofy * , loony * , mentally unbalanced , nuts * , nutty , odd , peculiar , queer , ridiculous , strange , twisted , unconventional , weird , brainsick , crazy , disordered , distraught , lunatic , mad , maniac , maniacal , mentally ill , moonstruck , off , touched , unbalanced , unsound , wrong , enamored , feebleminded , insane , wacky