insecure

Reading level: hard

Estimated CEFR level: C2 — Proficiency

Estimated from word frequency; not an official CEFR classification.

Definition

  1. adjective not firm or firmly fixed; likely to fail or give way
  2. adjective lacking in security or safety
  3. adjective lacking self-confidence or assurance

Etymology

From in- + secure, or from Medieval Latin insēcūrus, itself from in- (“in-, un-, non-”) + sēcūrus (“safe, certain”). Piecewise doublet of unsecure and unsure.

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