Words / A2

un-SHOR/ˌʌnˈʃɔː/

Unsure means not certain or not confident: I am unsure, unsure about, a little unsure. Uncertain is a close synonym. Sure is the opposite. Unsecure is not the usual word for this meaning. Do not write unsure when you mean insure (insurance), or unsafe.

Meaning

Not certain; not confident.

Examples

• “I am unsure which platform the train leaves from.”
• “I am unsure how to fill in this box on the form.”
• “If you are unsure, ask at the information desk.”

Good to know

unsure about / I am unsure. Synonym: uncertain. Opposite: sure. Mix-ups: insure, unsafe.

Near in meaning

uncertain

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