Pronunciation: /ˈθɪnɪŋ/
noun the process of making something thinner or less dense
A1 I noticed the thinning of my hair as I aged.
A2 The thinning of the crowd indicated that the event was coming to an end.
B1 The thinning of the forest was a result of deforestation.
B2 The thinning of the paint caused streaks in the final coat.
C1 The thinning of the ozone layer is a major environmental concern.
C2 The thinning of the plot in the novel made it difficult to follow.
adjective becoming thinner or less dense
A1 The thinning hair on the old man's head made him look much older.
A2 She noticed the thinning crowd at the concert as it started to rain.
B1 The thinning ice on the lake made it dangerous to walk on.
B2 The thinning patience of the teacher was evident as the students continued to misbehave.
C1 The thinning ozone layer is a serious environmental concern.
C2 The thinning plot of the novel left readers feeling unsatisfied with the ending.
formal The process of thinning the forest is necessary to prevent wildfires.
informal I'm thinking of thinning out my wardrobe because I have too many clothes.
slang I need to start thinning out my friend group, too many toxic people around.
figurative Her patience was thinning as she waited for her appointment to start.
thinned
thinnings
thinner
thinnest
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will thin
have thinned
is thinning
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to thin
thinning
thinning