- the state of being certain.
- something certain; an assured fact.
- for/of a certainty, certainly; without a doubt: I suspect it, but I don't know it for a certainty.
Origin of certainty
SynonymsSee more synonyms on Thesaurus.com
Examples from the Web for certainty
Kundera sees fiction as a realm of many partial truths, its only certainty “the wisdom of uncertainty.”
If the certainty of the wisdom of uncertainty is itself uncertain, the force of the definition crumbles by logical standards.
The great danger to the economy is no longer uncertainty, but certainty.What Would You Do if the World Was Over?
August 5, 2014
I tell you with certainty that the Israelis care about the Palestinians far more than the Hamas or Fatah leadership does.When the Son of Hamas Spied for Israel
August 5, 2014
And the Christian voter—the certainty they have is that God is God of All.Is Rand Paul Christian Enough for the GOP?
August 2, 2014
Well, Shepler might be hurled from that certainty by one hour of determined action.The Spenders
Harry Leon Wilson
It was difficult to state with certainty what bad deed she had ever done, or what good deed.Malbone
Thomas Wentworth Higginson
There was no lessening of the expression of certainty on the young man's face.
Gracie Dennis thought she saw the certainty of failure, and was sorry for it.Ester Ried Yet Speaking
Mary's voice came with a certainty of conviction born of fact.
- the condition of being certain
- something established as certain or inevitable
- for a certainty without doubt
Word Origin and History for certainty
c.1300, certeynte, "surety, pledge," from Anglo-French certeinté (late 13c.), Old French certainete "certainty," from Latin or Vulgar Latin *certanitatem (source of Old Spanish certanedad); see certain. Meaning "that which is certain" is attested from early 14c.; meaning "quality of being certain" is from mid-14c.