Definition of insecure adjective from the Oxford Advanced Learner's Dictionary



    BrE BrE//ˌɪnsɪˈkjʊə(r)//
    ; NAmE NAmE//ˌɪnsɪˈkjʊr//
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  1. 1not confident about yourself or your relationships with other people He's very insecure about his appearance. She felt nervous and insecure.
  2. 2not safe or protected Jobs nowadays are much more insecure than they were ten years ago. As an artist he was always financially insecure. Insecure doors and windows (= for example, without good locks) make life easy for burglars.
  3. opposite secure
    Word Originmid 17th cent.: from medieval Latin insecurus ‘unsafe’, from in- ‘not’ + Latin securus ‘free from care’, or from in- ‘not’ + secure.Extra examples He felt a little insecure about being left alone. a star who is notoriously insecure about her looks men who are worried about losing their jobs and becoming financially insecure He was a rather insecure young man with a slight stammer. He’s very insecure about his appearance. Insecure doors and windows make life easy for burglars.
See the Oxford Advanced American Dictionary entry: insecure