Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English


English definition of “insecure”


adjective (NOT CONFIDENT)   /ˌɪn·sɪˈkjʊər/
(of people) lacking confidence and doubting their own abilities: Eleanor was shy and insecure as a child.
(Definition of insecure adjective (NOT CONFIDENT) from the Cambridge Academic Content Dictionary © Cambridge University Press)
Focus on the pronunciation of insecure

Browse related topics

You are looking at an entry to do with Doubt & ambivalence, but you might be interested in these topics from the People topic area:

More American English definitions for “insecure”

Definitions of “insecure” in other dictionaries

Word of the Day


When a boat or a ship sails, it travels on the water.

Word of the Day


Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More