- to astound or perplex; bewilder
- to mix up; confuse
- to treat mistakenly as similar to or identical with (one or more other things)
- /kɒnˈfaʊnd/ to curse or damn (usually as an expletive in the phrase confound it!)
- to contradict or refute (an argument, etc)
- to rout or defeat (an enemy)
WordReference Random House Learner's Dictionary of American English © 2026
con•found /kənˈfaʊnd/USA pronunciation
v. [~ + object]
con•found•ing•ly, adv.
WordReference Random House Unabridged Dictionary of American English © 2026- to amaze;
confuse;
perplex:The army's lightning attack confounded the enemy. - [~ + object + with + object] to mix up by mistake;
This analysis confounded truth with errors and lies.
- Confound it! (used as a mild oath to express one's irritation): Confound it! Pick up those books now!
con•found•ing•ly, adv.
con•found
(kon found′, kən-; for 6 usually kon′found′),USA pronunciation v.t.
con•found′a•ble, adj.
con•found′er, n.
con•found′ing•ly, adv.
- to perplex or amaze, esp. by a sudden disturbance or surprise;
bewilder;
confuse:The complicated directions confounded him. - to throw into confusion or disorder:The revolution confounded the people.
- to throw into increased confusion or disorder.
- to treat or regard erroneously as identical;
mix or associate by mistake:truth confounded with error. - to mingle so that the elements cannot be distinguished or separated.
- to damn (used in mild imprecations):Confound it!
- to contradict or refute:to confound their arguments.
- to put to shame;
abash. - [Archaic.]
- to defeat or overthrow.
- to bring to ruin or naught.
- [Obs.]to spend uselessly;
waste.
- Latin confundere to mix, equivalent. to con- con- + fundere to pour
- Anglo-French confoundre
- Middle English conf(o)unden 1250–1300
con•found′er, n.
con•found′ing•ly, adv.
- 1. dumbfound, daze, nonplus, astound.
Collins Concise English Dictionary © HarperCollins Publishers::
confound /kənˈfaʊnd/ vb (transitive)
'confound' also found in these entries (note: many are not synonyms or translations):
cataplexy
- confuse
- devastate
- floor
- fox
- gravel
- mix-up
- nonplus
- put out
- Babelize
- baffle
- bedevil
- befog
- bewilder
- confounded
- confute
- dash
- drat
- dumbfound
- faze
- flabbergast
- flummox
- frighten
- job
- perplex
- preconfound
- puzzle
- unconfound
- unconfoundedly
- unconfounding
- stagger
- stymie