morsel

collop, medallion, noisette

nosh, snack

appetizer, canapé, hors d'oeuvre

bit, chew, crumb, dab, dribble, driblet, fleck, hint, mote, nubbin, particle, pinch, scrap, scruple, shred, smidgen (also smidgeon), snip, snippet, speck, spot, sprinkling, suspicion, tittle, touch, trace

dash, drop

lap, lick

gulp, swallow, swig

ace, dab, dash, driblet, drop, fraction, haet [chiefly Scottish], halfpenny, ha'penny, iota, jot, kenning [chiefly Scottish], lick, minim, mite, modicum, nutshell, ounce, pinch, shred, smatter, smidgen (also smidgeon), spot, strain, streak, suspicion, taste, touch, trace, whisper, whit

bite, mouthful, nibble, tidbit (also titbit)

fragment, part, portion, section

chip, flake, shard, shiver, sliver, splinter

clipping, paring, shaving

smithereens

no-name, noncelebrity

least

inferior, mediocrity, obscurity

figurehead, puppet

nonperson