Added 9 October 2026
unsure
adjective
In Latin: incertus Wiktionary
adjective Definition from WordNet 3.1, Princeton University. More about unsure at Wordnik → Where our words come from →
-
Lacking self-confidence.
stood in the doorway diffident and abashed
-
Lacking or indicating lack of confidence or assurance.
uncertain of his convictions
Origin
From Middle English unsure, equivalent to un- + sure. Piecewise doublet of insecure and unsecure.
From Wiktionary, via Kaikki.org (CC BY-SA)