unnatural

adj

1. irregular, anomalous, exceptional, uncommon; aberrant, abnormal, perverse; peculiar, foreign, odd, unusual, eccentric; unseemly, unbefitting, unbecoming, improper.

2. strange, preternatural, uncanny; monstrous, freakish, queer, grotesque, bizarre; outlandish, extraordinary, unique, fantastic, whimsical; rare, wild, astonishing, unaccountable, out-of-the-way, unheard-of, unwonted.

3. inhuman, heartless, cruel, evil, brutal; cold, callous, unfeeling, insentient, soulless, unforgiving; hardened, impervious, unimpressible, untouched; stony, flinty, indurated, marblehearted; indifferent, unconcerned, uncaring; passionless, cold-blooded, frigid, aloof, disdainful; pitiless, unpitying, remorseless, relentless; ruthless, savage, hostile.

4. artificial, affected, mannered, theatrical, stagy; stiff, stilted, constrained; assumed, feigned, simulated, labored, forced, insincere, self-conscious.