certainty

1. (countable, uncountable) The state of being certain.
2. (countable, uncountable) An instance of being certain.
3. (countable, uncountable) A fact or truth unquestionably established.

Opposite of

doubt, uncertainty

Pronounced as (IPA)

/ˈsɝtn̩ti/

Etymology

Inherited from Middle English: certeynte

In summary

From Middle English certeynte (“surety”), from Anglo-Norman certeinte, from Old French certeinete, from Vulgar Latin *certānitās, from Latin certus.

Synonyms

assurance

sureness

certitude

truth

confidence

ascertainment

positiveness

security

surety

definiteness

safety

reality

determination

clearness

conviction

assuredness

sure thing

cert

steadiness

permanent

foregone conclusion

inevitability

reliability

overmuchness

necessity

certain

irrevocability

matter

obligation

obviousness

over-

positivity

proof

reassurance

reliance

resolution

satisfaction

self-confidence

self-reliance

similarity

snip

soundness

stability

substantiality

surely

transgressing

trust

trustworthy

unambiguousness

want

Translations

certitude

certezza

Sicherheit

certeza

certeza

βεβαιότητα

assurance

Gewissheit

certidumbre

certesa

zekerheid

σιγουριά

pewność

segurança

certitudo