tr.v., -found·ed, -found·ing, -founds.

1. To cause to become confused or perplexed. See synonyms at puzzle.
2. To fail to distinguish; mix up: confound fiction and fact.
3. To make (something bad) worse: Do not confound the problem by losing your temper.
4. To cause to be ashamed; abash: an invention that confounded the skeptics.
5. To damn.
6. 1. To frustrate: trivial demands that confounded the peace talks.
   2. Archaic. To bring to ruination.

[Middle English confounden, from Anglo-Norman confundre, from Latin cōnfundere, to mix together, confuse : com-, com- + fundere, to pour.]

confounder con·found'er n.
confoundingly con·found'ing·ly adv.

verb

1. To cause to be unclear in mind or intent: addle, befuddle, bewilder, confuse, discombobulate, dizzy, fuddle, jumble, mix up, muddle, mystify, perplex, puzzle. Informal throw. Idioms: make one's headreelswimwhirl. See clear/unclear, feelings.
2. To cause (a person) to be self-consciously distressed: abash, chagrin, confuse, discomfit, discomfort, disconcert, discountenance, embarrass, faze, mortify. Idioms: put on the spot, throw for a loop. See pain/pleasure.
3. To make incapable of finding something to think, do, or say: nonplus. Informal flummox, stick, stump, throw. Slang beat. Idioms: put someone at a loss. See affect/ineffectiveness, knowledge/ignorance.
4. To take (one thing) mistakenly for another: confuse, mistake, mix up. See correct/incorrect.

v

Definition: confuse
Antonyms: clarify, clear up, enlighten, explain, make clear, relate

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When the effects of two, or more, processes on results cannot be separated, the results are said to be confounded, a cause of bias in disease studies.

• c. factor — one which is distributed non-randomly with respect to the independent (exposure) or dependent (outcome) variable which is the subject of an enquiry.

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Dansk (Danish)
v. tr. - forvirre, forveksle, kuldkaste
int. - pokkers osse

idioms:

• Confound it    pokker tage det

Nederlands (Dutch)
in verwarring brengen, beschamen, verslaan

Français (French)
v. tr. - démentir, déconcerter, déjouer (plans), confondre (ennemi) (littér)
int. - la barbe (excl)

idioms:

• Confound it    zut alors (excl)

Deutsch (German)
v. - verblüffen, verwirren, verwechseln, vereiteln
int. - verdammt!

idioms:

• Confound it    zum Henker!, Verdammt!

Ελληνική (Greek)
v. - μπερδεύω, αναστατώνω

idioms:

• Confound it    Να πάρει!

Italiano (Italian)
turbare, confondere, scombussolare, disorientare

Português (Portuguese)
v. - confundir, maldizer

idioms:

• Confound it!    Raios o partam!

Русский (Russian)
поражать, сокрушать

idioms:

• Confound it!    Черт возьми!

Español (Spanish)
v. tr. - confundir

idioms:

• Confound it    Maldito sea!

Svenska (Swedish)
v. - förvirra, göra förlägen, förväxla, röra ihop, göra om intet (åld.)

中文（简体） (Chinese (Simplified))
使混淆, 挫败, 使狼狈, 该死, 讨厌

idioms:

• Confound it    该死的, 你混蛋

中文（繁體） (Chinese (Traditional))
v. tr. - 使混淆, 挫敗, 使狼狽
int. - 該死, 討厭

idioms:

• Confound it    該死的, 你混蛋

한국어 (Korean)
v. tr. - 혼동하다, 논파하다, 당황케 하다
int. - 제기랄, 망할 놈

日本語 (Japanese)
v. - 混乱させる, 混同する

idioms:

• Confound it!    ちきしょう

العربيه (Arabic)
‏(فعل) حير, أربك, تغلب على, قهر‏

עברית (Hebrew)
v. tr. - ‮בלבל, ערבב, הדהים‬
int. - ‮בלבל, ערבב, הדהים‬

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