low ‧ ly /ˈləʊli $ ˈloʊ-/ BrE AmE adjective
[ Word Family: adjective : ↑ low , ↑ lower , ↑ lowly ; verb : lower; noun : ↑ low ; adverb : ↑ low ]
low in rank, importance, or social class – sometimes used humorously SYN humble :
He was a lowly assistant gardener.
► Lowly is never an adverb. Low is used as an adverb as well as an adjective : A helicopter flew low over their heads.