Anagrams of: UMDRUM_

• the quality of wearisome constancy, routine, and lack of variety

• not challenging; dull and lacking excitement

• tediously repetitious or lacking in variety

• a chronic drinker

• a card game based on collecting sets and sequences; the winner is the first to meld all their cards

• beyond or deviating from the usual or expected

• a soft-nosed small-arms bullet that expands when it hits a target and causes a gaping wound

• a low continuous indistinct sound; often accompanied by movement of the lips without the production of articulate speech

• a schwa that is incidental to the pronunciation of a consonant

• an abnormal sound of the heart; sometimes a sign of abnormal function of the heart valves

• a complaint uttered in a low and indistinct tone

• speak softly or indistinctly

• make complaining remarks or noises under one's breath

• an atmosphere in which visibility is reduced because of a cloud of some substance

• make dark, dim, or gloomy

• To make a thoughtful humming noise.

• Indicating thinking or pondering.

• A demand for an answer to a question.

• slow to learn or understand; lacking intellectual acuity

• temporarily incapable of speaking

• lacking the power of human speech

• unable to speak because of hereditary deafness

• a coarse term for defecation

• a piece of land where waste materials are dumped

• (computer science) a copy of the contents of a computer storage device; sometimes used in debugging programs

• a place where supplies can be stored

• throw away as refuse

• sever all ties with, usually unceremoniously or irresponsibly

• sell at artificially low prices

• drop (stuff) in a heap or mass

• fall abruptly

• knock down with force