Synonyms of lagging

1 Syllable
slow, late, dull
2 Syllables
lazy, slowest, lazier, dense, checked, stupid, slower, delayed, laziest, behind, shiftless, listless, slothful, mopish
3 Syllables
slow-moving, subnormal, arrested, moronic, unready, behindhand
4 Syllables
unambitious, directionless, imbecile, unindustrious, feeble-minded, last-minute
5 Syllables
tortoiselike, unenergetic, undeveloped
6 Syllables
underprivileged, underdeveloped