To be worthless, to be light, to be gluttonous, to be vile
Brown-Driver-Briggs Hebrew Lexicon
1) to be worthless, be vile, be insignificant, be light 1a) (Qal) 1a1) to be worthless, be insignificant 1a2) to make light of, squander, be lavish with 2) to shake, tremble, quake 1a) (Niphal) to shake, quake