unsure
- 01 A2 Elementary
not feeling certain or confident about something.
lacking certainty or confidence; feeling hesitant about a fact, decision, or outcome.
Simple“I am unsure of the exact time the train leaves, so let's check the app.”
In context“The committee remained unsure about the long-term financial implications of the merger, despite the optimistic projections provided by the consultants.”
PitfallI am unsure for the answer. I am unsure of the answer.Use 'of' or 'about' after unsure when followed by a noun phrase.
- 02 C1 Advanced
not steady or safe, like a floor that might break or a person who might fall.
physically unstable, precarious, or lacking a firm foundation.
Simple“The old wooden bridge felt unsure under my feet as I crossed the river.”
In context“He took an unsure step onto the icy pavement, his balance wavering as he searched for a stable handhold.”
UsageOften used to describe physical footing or movement that lacks confidence.
From Middle English unsure, equivalent to un- + sure. Piecewise doublet of insecure and unsecure.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.