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Definition of submersion
submersion
/səbˈmɜːrʒən/
sub · mer · sion
Plural:submersions
•Adjective:submersive
submersion Lexical Profile
CEFR
B2
Grade
8
Tier
2
Usage
Top 10k
Syllables
3
submersion Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• noun
1
The act of placing something completely under the surface of a liquid, or the state of being completely covered by water or another fluid.
Example
"The waterproof watch is engineered to withstand prolonged submersion at depths of up to two hundred meters."
2
The state of being deeply absorbed, overwhelmed, or completely concealed within an activity, condition, or environment.
Example
"Her total submersion in archival research allowed her to uncover several forgotten historical treaties."
Synonyms
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Word Origin & Etymology
Borrowed in the early 17th century from Late Latin submersio, from the past participle stem of Latin submergere ('to plunge under water'), formed from sub- ('under') and mergere ('to dip, plunge').
Cite this Entry
Wordmom. (2026). Definition of Submersion. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/submersion