Synonyms of alternative in English:

alternative


See definition of alternative

adjective

1‘an alternative route’

SYNONYMS
different, other, another, second, possible, substitute, replacement
deputy, relief, proxy, surrogate, cover, fill-in, stand-in
standby, emergency, reserve, backup, auxiliary, fallback
North American alternate
North American informal pinch-hitting

2‘alternative medicine’

SYNONYMS
unorthodox, unconventional, non-standard, unusual, uncommon, unwonted, out of the ordinary, radical, revolutionary, nonconformist, unconforming, irregular, offbeat, off-centre, avant-garde
original, new, novel, fresh
eccentric, exotic, Bohemian, idiosyncratic, abnormal, extreme, divergent, aberrant, anomalous, bizarre, outlandish, perverse
informal off the wall, oddball, way-out, cranky, zany
rare heteroclite

noun

1‘we have no alternative but to go’

SYNONYMS
option, choice, other possibility
substitute, replacement, proxy, reserve, surrogate, stand-in
possible course of action, resort, way out