Doubt Definition

dout
doubted, doubts
verb
doubted, doubts
To be uncertain in opinion or belief; be undecided.
Webster's New World
To be uncertain about; question; feel distrust of.
Webster's New World
To be inclined to disbelief.
Webster's New World
To be inclined to disbelieve; be skeptical of.
Webster's New World
To regard as unlikely.
I doubt that we'll arrive on time.
American Heritage
Synonyms:
noun
doubts
The state of being uncertain about the truth or reliability of something.
American Heritage
A wavering of opinion or belief; lack of conviction; uncertainty.
Webster's New World
Lack of trust or confidence.
Webster's New World
A point about which one is uncertain or skeptical.
Reassured me by answering my doubts.
American Heritage
A condition of uncertainty.
The outcome was in doubt.
Webster's New World
Antonyms:
idiom
beyond
  • Without question; certainly; definitely.
American Heritage
no doubt
  • Certainly.
  • Probably.
American Heritage
beyond doubt
  • certainly
Webster's New World
no doubt
  • certainly
  • very likely; probably
Webster's New World

Other Word Forms of Doubt

Noun

Singular:
doubt
Plural:
doubts

Idioms, Phrasal Verbs Related to Doubt

Origin of Doubt

  • From Middle English douten, from Anglo-Norman douter, from Old French douter, from Latin dubitare. Replaced Middle English tweonien (“to doubt”) (from Old English twēonian, compare Old English twēo (“doubt, duplicity”)). The modern spelling is probably under the influence of Middle French doubter.

    From Wiktionary

  • Middle English doute, from Anglo-Norman and Old French doute, from Latin dubita. The modern spelling is probably under the influence of Middle French doubte.

    From Wiktionary

  • Middle English douten from Old French douter from Latin dubitāre to waver dwo- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

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