# unsure

/ənˈʃʊɹ/ (US) · /ʌnʃˈɔː/ (UK)

Source: https://englishreference.com/word/unsure
Updated: 2026-06-20

## Senses

### 1. not certain

adjective · CEFR A2

not feeling certain or confident about something.

For teachers: lacking certainty or confidence; feeling hesitant about a fact, decision, or outcome.

- I am unsure of the exact time the train leaves, so let's check the app.
- The committee remained unsure about the long-term financial implications of the merger, despite the optimistic projections provided by the consultants.

### 2. unstable

adjective · CEFR C1 · Literary

not steady or safe, like a floor that might break or a person who might fall.

For teachers: physically unstable, precarious, or lacking a firm foundation.

- The old wooden bridge felt unsure under my feet as I crossed the river.
- He took an unsure step onto the icy pavement, his balance wavering as he searched for a stable handhold.

Usage: Often used to describe physical footing or movement that lacks confidence.

## Examples

- I am unsure about which path to take.
- She felt unsure of her answer after seeing how quickly the other students finished the test.
- Investors remained unsure of the market's stability following the sudden regulatory changes, leading to a significant decrease in high-risk trading activity.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.