to let out a yawn
- phrasal verb
- The child let out a yawn and rubbed his eyes before heading to bed.
Examples
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He let out a yawn during the meeting.
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She quietly let out a yawn as midnight approached.
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He let out a yawn during the long and boring meeting.
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Don't let out a yawn in class!
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During the boring lecture, many students let out a yawn, signaling their lack of interest.
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She couldn't help but let out a yawn when she realized how tired she was after the long day.
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As the movie dragged on, he let out a yawn, and his friend nudged him to stay awake.
Synonyms
To open your mouth wide and breathe in deeply because you are tired or bored
How Tired
Surface Forms
Morphology
The meaning 'to yawn' is directly derivable from combining 'let' (allow/release) + 'out' (outward) with 'yawn' (the action), yielding 'emit a yawn'. The construction 'let out a + noun' is a common, productive pattern (compare 'let out a sigh'/'let out a laugh') and is likely inferable by a B1 learner who knows the constituent words.
Etymology
The phrase let out a yawn shows a clear picture. To let out means to release, and a yawn is when you open your mouth and let a long breath or a small sound escape, so the phrase means 'to yawn', often making a sound or showing it openly.