Synonyms of unbalanced in English:

unbalanced


See US English definition of unbalanced

See UK English definition of unbalanced

See Spanish definition of desequilibrado

adjective

1‘he was considered unbalanced and dangerous’

SYNONYMS
unstable, of unsound mind, mentally ill, deranged, demented, crazed, troubled, disturbed, unhinged, insane, mad, mad as a hatter, mad as a March hare, raving mad, out of one's mind, not in one's right mind, neurotic, psychotic
non compos mentis
informal crazy, loopy, loony, mixed up, nuts, nutty, nutty as a fruitcake, bananas, cracked, crackpot, dippy, screwy, with a screw loose, cuckoo, bonkers, mental, screwed up, not all there, off one's head, out of one's head, out to lunch, a bit lacking, round the bend
British sectionable
British informal daft, barmy, crackers, barking, barking mad, batty, dotty, potty, off one's trolley, off one's rocker, daft as a brush, not the full shilling, round the twist, away with the fairies
North American informal nutsy, nutso, squirrelly, wacko, buggy
dated touched
ANTONYMS

balanced, stable, sane

2‘a most unbalanced article on a fundamental topic’

SYNONYMS
biased, prejudiced, skewed, one-sided, lopsided, partisan, factional, partial, inequitable, unjust, unfair, uneven, unequal
parti pris
ANTONYMS

balanced, unbiased, fair