unsure

Everyday

1. Unsure means not certain or not confident about something: «I'm unsure of the answer». tree →
2. Unsure of yourself means not feeling confident. tree →

In the lessons

In school, if you are unsure, ask the teacher, check a dictionary, or say «I'm not sure, but I think…». In safety lessons, if you are unsure whether something is safe — a stranger's offer, a link online, deep water — stop and ask a trusted adult. In stories «she gave an unsure smile» shows nervousness. Phrases: «unsure of», «unsure about», «unsure whether», «unsure of yourself».

Examples

• I'm unsure of the answer. tree →
• If you're unsure, ask a grown-up. tree →
• She was unsure whether to knock. tree →
• He felt unsure of himself on his first day. tree →
• We were unsure about the way home. tree →
• Unsure what to do, he waited. tree →
• If you are unsure a link is safe, don't click it. tree →

Note

«Unsure of / about / whether / what». Same meaning as «not sure» and «uncertain». Being unsure is normal — it is a reason to ask, not to guess on dangerous things.