from The American Heritage® Dictionary of the English Language, 4th Edition
- transitive v. To disturb the composure or calm of; perturb.
- transitive v. To put into a state of disorder.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- v. To destroy the composure of something
from the GNU version of the Collaborative International Dictionary of English
- transitive v. To disarrange; to interfere with; to disturb; to disorder; to unsettle; to break up.
- transitive v. To throw into disorder; to ruffle; to destroy the composure or equanimity; to agitate.
- transitive v. To put out of place or service; to discharge; to displace.
from The Century Dictionary and Cyclopedia
- To bring into disorder; disturb; disarrange; unsettle.
- To disturb peace and quietness in; agitate; ruffle, as the temper or mind of.
- To displace; discard; discharge.
- Synonyms To derange, jumble, confuse.
- To disconcert, embarrass, fret, vex, nettle, irritate, annoy, worry.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- v. cause to lose one's composure
dis- + compose (Wiktionary)