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lightheadedness
This term describes a specific type of dizziness characterized by a floating sensation or a perceived lack of grounding, often preceding a loss of consciousness. It differs from vertigo, which involves a spinning sensation of the environment, by focusing on the internal feeling of instability or airy detachment within the head.
As an uncountable noun, it refers to a state or quality of being. Because it is a mass noun, it cannot be pluralized and requires partitive constructions such as a bout of or a spell of when referring to specific, time-limited occurrences of the sensation.
Meanings
Examples
I feel a sudden sense of lightheadedness whenever I stand up too quickly.
The sudden lightheadedness made her grip the edge of the table for support.
Are you experiencing any lightheadedness or nausea after taking the medication?
This lightheadedness is probably just because I skipped breakfast this morning.
The thin air at the mountain peak caused a lingering lightheadedness among the climbers.
I can't focus on the meeting because of this persistent lightheadedness.
A wave of lightheadedness washed over him as he stepped into the heat of the desert.
Please sit down if you feel any lightheadedness during the blood draw.