Meaning & use
assurance
A positive declaration meant to give confidence, or a feeling of confidence and certainty.
See it in a sentence
The manager gave her assurance that the deadline would not be moved again.
He spoke with such assurance that no one doubted his plan.
A note on using this word
Assurance can refer to a confident promise given to someone else, or to inner self-confidence, depending on the context.
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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