from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A confused or disordered state or collection; a jumble: sorted through the clutter in the attic.
- n. A confused noise; a clatter.
- transitive v. To fill or spread over in a disorderly manner: Boxes cluttered the garage.
- transitive v. To make disorderly or hard to use by filling or covering with objects: I cluttered up my desk with old memos.
- intransitive v. To run or move with bustle and confusion.
- intransitive v. To make a clatter.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. a confused disordered jumble of things
- n. background echos, from clouds etc, on a radar screen
- v. to fill something with clutter
- v. To clot or coagulate, like blood.
from the GNU version of the Collaborative International Dictionary of English
- n. A confused collection; hence, confusion; disorder.
- n. Clatter; confused noise.
- transitive v. To crowd together in disorder; to fill or cover with things in disorder; to throw into disorder; to disarrange.
- intransitive v. To make a confused noise; to bustle.
- transitive v. To clot or coagulate, as blood.
from The Century Dictionary and Cyclopedia
- To clot; coagulate.
- To become clotted or coagulated.
- n. A heap or collection of things lying in confusion; confusion; litter; disorder.
- To crowd together in disorder; fill with things in confusion: often with up: as, to clutter the things all together; to clutter up the house.
- To make a bustle or disturbance.
- n. Confused noise; bustle; clatter; turmoil.
- To jumble words together in speaking, clipping syllables and dropping consonants.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. unwanted echoes that interfere with the observation of signals on a radar screen
- v. fill a space in a disorderly way
- n. a confused multitude of things
Probably from Middle English cloteren, to clot, from clot, lump, from Old English clott.(American Heritage® Dictionary of the English Language, Fourth Edition)