3 synonym groups for Difference

be immune to, be insusceptible to, be unaffected by, be unresponsive to, be resistant to, be impervious to

characteristic, defining, identifying, notable, singular, unique, individual, differentiating, diagnostic, telling, marked, signal, particular

unimpressed, indifferent, apathetic, unexcited, unenthusiastic, lukewarm, half-hearted, listless, uninterested