insecure

• 形容人缺乏自信、内心不安；也可形容事物不安全、没有保障。

Describes a person who lacks confidence or certainty about themselves; also describes something that is not safe or protected.

1. Not firmly fixedB2formal

   Not securely attached or fixed; likely to fail, give way, or collapse.

   不牢固的

   • The ladder felt insecure and wobbled with every step.
   • The foundation of the old building was insecure and needed reinforcement.
   • He tied an insecure knot that came undone easily.

   同义词looseprecariousricketyshakyunfixedunsafeunsecuredunstableunsteadywobbly

   反义词fastfirmfixedsecuresolidstablesteady

2. Lacking safety or protectionB1formal

   Not adequately protected from danger, risk, or threat.

   不安全的

   • The neighborhood was insecure after dark, with frequent break-ins.
   • Using the same simple password for everything is insecure.
   • She felt insecure walking alone in the unfamiliar area.

   同义词defenselessendangeredexposedunguardedunprotectedunsafevulnerable

   反义词guardedprotectedsafesecuresheltered

3. Lacking self-confidenceB1informal

   Having doubts about one's own abilities, worth, or appearance; not self-assured.

   缺乏自信

   • She felt insecure about her presentation skills despite practicing.
   • He is often insecure in social situations with new people.
   • Her insecure attitude made her avoid taking on leadership roles.

   同义词anxiousdiffidentshytimidunassertiveuncertainunsureworried

   反义词confidentsecureself-assuredself-confident

4. Vulnerable to attackB2formal

   Not safe from physical or verbal assault; vulnerable to criticism or harm.

   不安全的

   • The fortress walls were insecure against modern artillery.
   • The company's data storage was insecure and prone to hacking.
   • He felt emotionally insecure around his relentless critics.

   同义词defenselessexposedhelplessopenunguardedunprotectedunsafevulnerable

   反义词guardedprotectedsafesecureshielded