depth
US /depθ/
UK /depθ/

1.
the distance from the top or surface to the bottom of something
:
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The swimming pool has a depth of 3 meters.
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We measured the depth of the well.
2.
the quality of being intense or extreme
:
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The depth of her sorrow was evident.
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The book explores the depth of human emotion.
3.
the complexity and richness of something
:
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The movie lacked emotional depth.
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Her analysis showed great intellectual depth.