clutter up

(redirected from clutters up)
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clutter up

To overcrowd a space or area with something. A noun or pronoun can be used between "clutter" and "up." I have so many books at home that they're starting to clutter up the place. Every time my kids come home from college for the summer, they clutter up the whole house with their stuff.
See also: up
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

clutter something up

to mess something up; to fill something or some place up with too many things. Heaps of newspapers cluttered the room up and made it a fire hazard. Who cluttered up this house?
See also: up
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
See also:
References in periodicals archive ?
It is the "stuff" that clutters up the workplace and that causes personnel to lose focus.