certainty

Freedom from doubt

Certainty is the state of being sure or confident about something, free from doubt.

When you have certainty, you feel no hesitation or wavering: I can say with certainty that she was home that night.

A certainty is something that is sure to happen or be true: Death is the only certainty in life.

The phrase for a certainty means definitely or without question.

Certainty often contrasts with probability or possibility, where doubt remains.

guarantee

promise

Commitment to act

bond · oath · vow · commitment · surety · security · collateral · indemnity · insurance · protection

confidence

assurance

Firm promise or certainty

trust · faith · belief · security · positivity · self-assurance · poise · boldness · assertiveness · decisiveness

absolute

definite

Clearly established, not vague

irrefutable · undeniable · unquestionable · categorical · unequivocal · incontrovertible · decisive · absolute · clear-cut · explicit

knowledge

truth

Accordance with reality

  • factVerifiable piece of information
  • realityWhat actually exists
  • proofDemonstration of truth

evidence · verification · confirmation · validation · corroboration · substantiation · authenticity · veracity · accuracy · data

inevitability

fate

Predetermined course of events

unavoidability · predestination · foregone conclusion · surety · inexorability · doom · karma · kismet · determinism · providence

reliability

dependable

Worthy of trust

solid · steadfast · unfailing · proven · tried-and-true · foolproof · predictable · sound · sure · secure

Categories
Opposites
epistemic confidence

certaintyuncertainty

State of being unsure

doubt · incertitude · unsureness · skepticism · indecision

clarity of understanding

certaintyambiguity

Openness to multiple interpretations

confusion · vagueness · obscurity · indeterminacy · equivocation

probability or likelihood

certaintyuncertainty

State of being unsure

impossibility · contingency · unpredictability · indeterminacy · unlikelihood

Phrases
Family

certain, certainly, uncertain, uncertainty, ascertain, uncertainly, uncertainties, ascertained, ascertaining

Familiarity
Top 20,000
Profile
Known to kids · Used worldwide · Timeless · Abstract · Positive · Everyday, not technical · Rated G