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English definition of “insecure”

insecure

adjective uk   /ˌɪn.sɪˈkjʊər/ us    /-ˈkjʊr/

insecure adjective (NOT CONFIDENT)

C1 Insecure people have little confidence and are uncertain about their own abilities or if other people really like them: I wonder what it was about her upbringing that made her so insecure. He still feels insecure about his ability to do the job.

insecure adjective (NOT SAFE)

C2 (of objects or situations) not safe or not protected: The situation is still insecure, with many of the rebels roaming the streets. Nations which are not self-sufficient in energy will face an insecure future. We've gone through a few financially insecure years.
insecurely
adverb uk   /-li/ us  
The shelves were insecurely fastened and fell to the floor.
insecurity
noun [C or U] uk   /-ˈkjʊə.rɪ.ti/ us    /-ˈkjʊr.ə.t̬i/
C2 a sense/feeling of insecurity She had developed an outgoing personality to mask her deep insecurities. financial insecurity
(Definition of insecure from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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