Something that protrudes, sticks out, or sticks together; a cluster or blob; a mound or mass of no particular shape. / A swelling or nodule of tissue under the skin or in an internal part of the body.

(transitive) To treat as a single unit; to group together in a casual or chaotic manner (as if forming an ill-defined lump of the items).

plural of lump

(informal) A beating or verbal abuse.

present participle of lump

bulky; heavy

The act or result of lumping things together.

simple past tense and past participle of lump

(colloquial) To endure, accept, put up with a situation one does not like.

plural of lumping