lump

The definition of a lump is a mass of stuff with no definite shape, a swelling underneath the skin or to a person who is dull-witted.

(noun)

A pile of clay that is piled or stuck together with no definitive form is an example of a lump of clay.
When a tumor under the skin causes an area of your skin to swell, this is an example of a lump.
An unintelligent person is an example of a lump.

To lump is defined as to group things together, even if they don't necessarily all belong together.

(verb)

When you meet one person and decide his whole family is just like him, this is an example of a situation where you lump the family together.

See lump in Webster's New World College Dictionary

noun

a solid mass of no special shape, esp. one small enough to be taken up in the hand; hunk
1. a small cube or oblong piece
2. such a cube or piece made of sugar crystals bound together with sugar syrup
a swelling or protuberance, as one caused by a blow or formed by a tumor or cyst
1. Obsolete aggregate or collection
2. a great mass, amount, number, etc.
a dull, clodlike person
☆ Informal hard blows, punishment, criticism, or the like: usually in or

Origin: ME lompe, lumpe, akin ? to Dan lompe, a mass, lump, Swed dial. lump, a block, stump, MHG lumpe, rag: see limp

adjective

forming or formed into a lump or lumps: lump sugar

transitive verb

intransitive verb

transitive verb

☆ Informal to dislike and have to put up with (something disagreeable): if you don't like it, you can lump it

Origin: Early ModE, to look sour < ? lump, but infl. by grump, mump

See lump in American Heritage Dictionary 4

noun

An irregularly shaped mass or piece.
A small cube of sugar.
Pathology A swelling or small palpable mass.
A collection or totality; an aggregate.
A person regarded as ungainly or dull-witted.
lumps Informal
a. Severe punishment or treatment, as a beating or an unsparing criticism: take one's lumps.
b. One's just deserts; comeuppance: get one's lumps.