alertness
/ə'lə:tnis/
Học thuậtThân thiện
Definition
- Noun:
- The state of being watchful and ready to respond: "Alertness" refers to the quality of being vigilant, attentive, and prepared to deal with anything that might happen.
- Lively attentiveness or wakefulness: It describes a condition of being fully awake, aware, and paying close, continuous attention to one's surroundings.
Usage
- Alertness is an uncountable noun used to describe a person's or animal's mental state. It is often discussed in contexts requiring focus, such as driving, security, or studying.
- It is commonly modified by adjectives like , , , or .
Examples
- The security guard's alertness prevented a break-in.
- A good driver must maintain a high level of alertness on long journeys.
- Coffee can increase mental alertness for a short period.
- The surgeon's success depends on her skill and alertness.
Advanced Usage
- "A state of alertness": A condition of being prepared and watchful.
- The soldiers were in a constant state of alertness during the mission.
- "Heightened alertness": An increased or intensified level of vigilance.
- The news of the storm put the coastal towns on heightened alertness.
Variants and Related Words
- Alert (adj., n., v.): The base form.
- Adjective: Quick to notice; vigilant. (e.g., An alert guard)
- Noun: A warning of danger. (e.g., A tsunami alert)
- Verb: To warn someone of a danger. (e.g., The siren alerted the town.)
- Alertly (adv.): In a watchful manner.
- She watched alertly for any sign of movement.
Synonyms
- Vigilance: The action or state of keeping careful watch for possible danger or difficulties.
- Watchfulness: The quality of being alert and vigilant.
- Attentiveness: The action of paying close attention to something.
- Wakefulness: A state of being awake and aware.
Antonyms
- Inattentiveness: A lack of attention; heedlessness.
- Unawareness: Lack of awareness or consciousness.
- Drowsiness: A state of being sleepy and lethargic.
Noun
- lively attentiveness
- a state of readiness to respond
- alerting was indicated by the desynchronization of the EEG
- the process of paying close and continuous attention
- wakefulness, watchfulness, and bellicosity make a good hunter
- vigilance is especially susceptible to fatigue