Definition of Alertness in English :

Define Alertness in English

Alertness meaning in English

Meaning of Alertness in English

Pronunciation of Alertness in English

Alertness pronunciation in English

Pronounce Alertness in English

Alertness

see synonyms of alertness

Noun

1. alertness, vigilance, wakefulness, watchfulness

the process of paying close and continuous attention

Example Sentences:
'wakefulness, watchfulness, and bellicosity make a good hunter'
'vigilance is especially susceptible to fatigue'

2. alerting, alertness

a state of readiness to respond

Example Sentences:
'alerting was indicated by the desynchronization of the EEG'

3. alertness, on the qui vive, sharp-sightedness

lively attentiveness

WordNet Lexical Database for English. Princeton University. 2010.


Alertness

see synonyms of alertness
adjective (usually postpositive)
1. 
vigilantly attentive
alert to the problems
2. 
brisk, nimble, or lively
noun
3. 
an alarm or warning, esp a siren warning of an air raid
4. 
the period during which such a warning remains in effect
5.  on the alert
verb (transitive)
6. 
to warn or signal (troops, police, etc) to prepare for action
7. 
to warn of danger, an attack, etc

Collins English Dictionary. Copyright © HarperCollins Publishers


Alertness

see synonyms of alertness
adjective
1. 
watchful and ready, as in facing danger
2. 
quick in thought or action; active; nimble
noun
3. 
a warning signal as of an expected air raid; alarm
4. 
the period during which such a warning is in effect
verb transitive
5. 
to warn to be ready or watchful
the troops were alerted
6. 
to inform or make aware of
we alerted them to their duties

Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by Houghton Mifflin Harcourt. All rights reserved.


Alertness

see synonyms of alertness
adj.
1. Vigilantly attentive; watchful: alert to danger; an alert bank guard. See Synonyms at careful.
2. Mentally responsive and perceptive; quick.
3. Brisk or lively in action: the bird's alert hopping from branch to branch.
n.
1. A signal that warns of attack or danger: Sirens sounded the alert for an air raid.
2. A condition or period of heightened watchfulness or preparation for action: Nuclear-armed bombers were put on alert during the crisis.
tr.v. a·lert·ed, a·lert·ing, a·lerts
To notify of approaching danger or action; warn: a flashing red light that alerted motorists to trouble ahead.

The American Heritage ® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.