Synonyms of haunting

1 Syllable
weird
2 Syllables
eerie, weirder, ongoing, weirdest, catchy, nagging, catchier, doomful, spooky
3 Syllables
persistent, portentous, ominous, recurrent, nostalgic, repeated
4 Syllables
malificent, obsessive, precursive, memorable
5 Syllables
premonitory