What is another word for "unwonted"?

Roget's Thesaurus (1911) lists these synonyms for "unwonted": breach, break, cast, custom, desuetude, disusage, disuse, green, habit, infraction, infringe, inusitation, leave, more, new, newness, observance, obsolescence, off, oneself, practice, than, the, through, unaccustomed, unconformable, unconformity, unseasoned, untrained, unused, unusual, usage, violate, want, wean, wear.