vigilant

/'vidʤilənt/
Học thuật
Thân thiện
vigilant

The security guard remains vigilant throughout the night.

Definition
  1. Adjective:
    • Carefully observant or attentive; on the lookout for possible danger: Being watchful and alert to detect and avoid potential problems or threats.
Usage
  • The word "vigilant" describes a state of sustained, careful attention. It is often used to describe people, groups, or actions characterized by watchfulness, especially in contexts involving security, safety, or care.
  • It is a formal adjective but commonly used in both written and spoken English.
Examples
  • General Use:
    • Security guards must remain vigilant throughout the night.
    • A vigilant neighbor noticed the suspicious activity and called the police.
  • In Specific Contexts:
    • Parents need to be vigilant when their children are playing near water.
    • The company maintains a vigilant stance against cyber threats.
Advanced Usage
  • "to be vigilant against something": To be watchful specifically to prevent a particular threat.
    • Citizens were urged to be vigilant against fraud.
  • "to keep a vigilant watch/eye": To maintain careful observation.
    • The shepherd kept a vigilant watch over his flock.
Variants and Related Words
  • Vigilance (noun): The action or state of being vigilant.
    • Constant vigilance is required in this high-risk area.
  • Vigilante (noun): A person who undertakes law enforcement without legal authority. (Note: This is a related but distinct concept, often involving taking action, not just observation).
    • The vigilante took matters into his own hands.
Synonyms
  • Watchful: Closely observant.
  • Alert: Quick to notice and respond to potential danger.
  • Attentive: Paying close attention.
  • Observant: Quick to notice things.
Antonyms
  • Negligent: Failing to take proper care.
  • Inattentive: Not paying attention.
  • Careless: Not giving sufficient attention to avoiding harm.
Related Phrases
  • Eternal vigilance is the price of liberty: A proverb stating that freedom requires constant watchfulness to be preserved.
vigilant

The security guard remains vigilant throughout the night.

Adjective
  1. carefully observant or attentive; on the lookout for possible danger
    • a policy of open-eyed awareness
    • the vigilant eye of the town watch
    • there was a watchful dignity in the room
    • a watchful parent with a toddler in tow

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