Synonyms of gratuitous in English:

gratuitous


See US English definition of gratuitous

See UK English definition of gratuitous

See Spanish definition of gratuito

adjective

1‘student demonstrations developed an edge of gratuitous violence’

SYNONYMS
unjustified, without reason, uncalled for, unwarranted, unprovoked, undue
indefensible, unjustifiable
needless, unnecessary, superfluous, redundant, avoidable, inessential, non-essential, unmerited, groundless, ungrounded, causeless, without cause
senseless, careless, wanton, indiscriminate, unreasoning, brutish
excessive, immoderate, disproportionate, inordinate
unfounded, baseless, inappropriate
de trop
ANTONYMS

justifiable, necessary

2‘the worker is not there to offer gratuitous advice’

SYNONYMS
free, gratis, complimentary, voluntary, volunteer, unpaid, unrewarded, unsalaried, free of charge, without charge, for nothing, at no cost, without payment
pro bono, pro bono publico
informal for free, on the house
British informal buckshee
ANTONYMS

paid, professional