Alternative
Different
Synonyms Different, another, possible, replacement, relief, surrogate, fill-in, standby, reserve, auxiliary, alternate, other, second, substitute, deputy, proxy, cover, stand-in, emergency, backup, fallback, and pinch-hitting.
Unorthodox
Synonyms Unorthodox, non-standard, uncommon, out of the ordinary, revolutionary, unconforming, offbeat, avant-garde, new, fresh, exotic, idiosyncratic, extreme, aberrant, bizarre, perverse, oddball, cranky, heteroclite, unconventional, unusual, unwonted, radical, nonconformist, irregular, off-centre, original, novel, eccentric, Bohemian, abnormal, divergent, anomalous, outlandish, off the wall, way-out, and zany.
Option
Synonyms Option, other possibility, replacement, reserve, stand-in, resort, choice, substitute, proxy, surrogate, possible course of action, and way out.
Example Sentences
We need an alternative solution soon.
There’s always an alternative way forward.
Consider the alternative options available now.
She chose an alternative route home.