Meaning & use
certainty
The state of being completely sure about something, without any doubt.
See it in a sentence
There is no certainty that the treatment will work for every patient.
She spoke with such certainty that no one thought to question her conclusion.
A note on using this word
Certainty describes a feeling or state of mind, while 'fact' describes something objectively true regardless of how sure anyone feels about it.
Words with a similar meaning
Choose a synonym to suit the sentence. Meanings can overlap without being identical.
Words with an opposite meaning
doubtuncertainty
Make it your own
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