half an eye
The idiom 'half an eye' is commonly used in British English to describe limited attention or awareness.
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Definition
B2General
(informal)A minimal amount of attention or awareness.
Example
- Even with half an eye, she could tell something was wrong.
B2General
(informal)A quick or casual glance.
Example
- He kept half an eye on the game while working.
Similar
Terms that have similar or relatively close meanings to "half an eye":
out of the corner of one's eyebad eyeand a halfhalf and halfin halfone and a halffox eyeeyes rightblack eyehave eyes onswivel eye