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thumbsucking

Noun CEFR C1

Definitions

The act of sucking one's thumb.

uncountable

Equivalents

Examples

“Thumbsucking may be used by children to console themselves.”

CEFR level

C1
Advanced
This word is part of the CEFR C1 vocabulary — advanced level.
See all C1 English words →

See also

Thumbtack Thumbtacked Thumbtacking Thumbtacks thumbtip thumbwheel

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