Synonyms of unflattering in English:

unflattering


See definition of unflattering

adjective

1‘an unflattering review of his new book’

SYNONYMS
unfavourable, uncomplimentary, harsh, unsympathetic, critical, attacking, hostile, disapproving, scathing, biting
blunt, candid, honest, stark, realistic, straightforward, outspoken, straight from the shoulder
informal warts and all
ANTONYMS

flattering, complimentary

2‘I wore an unflattering dress’

SYNONYMS
unattractive, unbecoming, unsightly, ugly, ugly-looking, plain, hideous
ill-fitting, unsuitable, unsuited, ill-suited
ANTONYMS

flattering, becoming