hauntingEnglishOxford American Thesaurushaunting adjective the sweet haunting sound of pan pipes: evocative, affecting, moving, touching, emotive, expressive, powerful, stirring, atmospheric, soul-stirring; poignant, nostalgic, wistful, plaintive; memorable, unforgettable, indelible, not/never to be forgotten. ▷antonyms unaffecting; unmemorable.