unaffected

adjective

1 the government's position is unaffected by the cabinet reshuffle:

unchanged, unaltered, uninfluenced;

untouched, unmoved, unimpressed, unstirred;

unresponsive to;

proof against, impervious to, immune to, not liable to, not subject to.

▷antonyms changed, influenced, affected.

2 his manner was natural and unaffected:

unassuming, unpretentious, down-to-earth, without airs, natural, spontaneous, easy, uninhibited, open, artless, guileless, ingenuous, naive, childlike, innocent, unsophisticated, unworldly, plain, simple.

▷antonyms pretentious, affected.

3 she was welcomed with unaffected warmth into the family home:

genuine, real, sincere, unfeigned, unpretended, unforced, uncontrived, unstilted, honest, earnest, wholehearted, heartfelt, true, bona fide, candid, frank, open, profound;

informal upfront;

rare full-hearted.

▷antonyms false, feigned.

choose the right word	unaffected, sincere, genuine, unfeigned
See sincere.

unaffected Oxford Dictionary of English