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Definition of bathtub
bathtub
/ˈbæθ.tʌb/
bath · tub
Plural:bathtubs
bathtub Lexical Profile
CEFR
A2
Grade
2
Tier
1
Usage
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• noun
1
A large, open container designed to hold water in which a person can wash their entire body.
Example
"She filled the bathtub with warm water, soothing bath salts, and bubbles after a long day at work."
Synonyms
View all synonyms for bathtubWord Origin & Etymology
A compound of 'bath' and 'tub', emerging in English in the mid-19th century as indoor plumbing and dedicated bathing fixtures became more common.
Cite this Entry
Wordmom. (2026). Definition of Bathtub. In Wordmom Dictionary. Retrieved Oct 14, 2026, from https://wordmom.com/dictionary/bathtub