alert

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alert the public

To bring something to the attention of the public at large, especially as a warning of some kind. The purpose of her video was to alert the public to the risks of eating too much sugar. We want to alert the public that the business will be moving to a new location at the end of the month.
See also: alert, public

be on full alert

To be very attentive and ready to take action. This term is often applied to soldiers. We're safe here—the soldiers patrolling the border are on full alert. As soon as I heard my window break in the middle of the night, I was on full alert to fight off an intruder.
See also: alert, full, on

be on red alert

To be very attentive and ready to take action. This term is often applied to soldiers. We're safe here—the soldiers patrolling the border are on red alert. As soon as I heard my window break in the middle of the night, I was on red alert to fight off an intruder.
See also: alert, on, red

on red alert

At the ready to deal with or prepare for some imminent danger, threat, trouble, or difficulty. We're safe here—the soldiers patrolling the border are on red alert. As soon as I heard my window break in the middle of the night, I was on red alert to fight off an intruder.
See also: alert, on, red

on the alert

Particularly watchful, attentive, or prepared (for something). Security personnel are on the alert for anyone carrying suspicious-looking packages or behaving strangely. We've been on the alert ever since we heard there had been a string of burglaries in our part of town.
See also: alert, on

Silver Alert

A public alert issued in the United States to help locate a missing senior citizen, especially one who suffers from dementia. It is similar to the Amber Alert system that exists to help locate missing children. "Silver" is a term often associated with senior citizens, referring to the gray or white hair that often have. Primarily heard in US. Does anyone know if they found the man from this morning's Silver Alert?
See also: alert, silver

alert someone

to something to make someone aware of trouble or potential trouble. The auditors alerted us to some problems with the accounts.

on the alert (for someone or something)

watchful and attentive for someone or something. Be on the alert for pickpockets. You should be on the alert when you cross the street in heavy traffic.
See also: alert, on

on the alert

Watchful, fully prepared, as in The inspectors are always on the alert for a manufacturing error. [Late 1700s]
See also: alert, on

on ˌred aˈlert

prepared for an emergency or for something dangerous to happen: Following the bomb blast, local hospitals have been put on red alert.
See also: alert, on, red

on the alert

Watchful and prepared for danger, emergency, or opportunity: bird watchers on the alert for a rare species.
See also: alert, on
References in periodicals archive ?
In contrast, the 30-minute nap produced immediate declines in subjective alertness, mood, and performance that were comparable with the no-nap condition.
Further analysis shows this change causes the negative effects for sleep duration and alertness to disappear.
Studies on entrepreneurial alertness were extended as a result of the importance attached to the study of opportunity in order to understand the entrepreneurial process (HEBERT, LINK, 2006).
Second, empirical evidence is provided on the concepts of entrepreneurial passion and entrepreneurial alertness through the use of instruments recently developed by Cardon, Gregoire, Stevens and Patel (2013) and Tang, Kacmar and Busenitz (2012), respectively.
Although many scholars have focused on how entrepreneurial experience, entrepreneurial alertness, and prior knowledge influence opportunity recognition (Baron, 2006; Hisrich et al.
In particular, literature that focuses on alertness as a primary component of entrepreneurship must take note of Kirzner's special theory of entrepreneurial incentives, which is the very foundation of his view of alertness, and must be clearly understood if his work is to represent anything more than a vestigial citation.
If necessary, the 1-mg dose can be increased to 2 mg or 3 mg, "but the higher doses are more likely to result in next-day impairment of driving and other activities that require full alertness," the statement added.
Participant alertness was measured by EEG and subjective sleepiness (KSS scale).
Results showed that alertness and reaction times improved while chewing gum.
The study builds on previous research which has demonstrated the benefits of chewing gum on alertness and people's ability to complete tasks.
The ADS Software is ADS (Alertness Detection Software), a system designed around proprietary alertness detection technologies, which helps alert operators to their work activity capability based on real time monitoring of their state of alertness.
Are there policies, interventions, and/or methods available to improve alertness states among practicing nurses?
The agency recommends that the bedtime dose be lowered because new data show that blood levels in some patients may be high enough the morning after use to impair activities that require alertness, including driving.
NAZARETH, September 20, 2011 (WAFA) -- Israeli police Tuesday arrested 54 Palestinians from the West Bankwho work in Israel, aspart of its state of alertness in order to face the upcoming vote for the Palestinian bid in the United nations.
Given this natural pattern, shift workers are trying to stay awake during the body's strongest dip in alertness and trying to sleep during the period with less natural sleep tendency.