Synonyms of plaguing

1 Syllable
gnaw, gall, hound, vex, pain, ride, haunt, fret, irk
2 Syllables
trouble, hector, torment, pester, molest, infest, chafe, badger, ribbing, hassle, teasing, afflict, tease, worry, bother, galling, harass, pursue, harry
3 Syllables
torturous, torture, beleaguer, bedevil
4 Syllables
persecute