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nub

nub

 
pronunciation:
nuhb
part of speech: noun
definition 1: a knob or knoblike protuberance.
synonyms:
boss, knob, node, nodule, protuberance
similar words:
bulge, bump, growth, knot, knurl, lump, nubbin, protrusion, swelling
definition 2: a small piece or lump.
a nub of chalk
synonyms:
bit, fragment, lump, nugget, piece
similar words:
chunk, clod, clump, hunk, morsel, stub, stump, wad
definition 3: the main point, gist, or essence of something.
He couldn't quite get the nub of the joke even after it was explained to him.
synonyms:
core, crux, essence, gist, heart, meat, pith, substance, sum
similar words:
drift, fabric, issue, point, soul