• changeable, fluctuating, unusual, inconstant, unfamiliar, unexpected, inhabitual, sometime, unestablished, extraordinary, wavering, foreign, uncommon, abnormal, unsteady, singular, special, valuable, exceptional, noteworthy, unaccustomed, curable, scarce, intermittent, exotic, unstable, rare, varying, fickle, infrequent, occasional, temporary, unconventional, seldom, irregular, unknown, uncustomary, unused, different, eradicable, strange, thought-out.