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Definition of compress

compress

/kəmˈprɛs/
com · press

Plural:compresses
•
Adjective:compressible
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Past Simple:compressed
•
Past Participle:compressed
•
Present Participle:compressing
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compress Lexical Profile

compress Game Scores & Validity

• verb

1

To flatten, squeeze, or press something into a smaller space or volume.

Example

"Pistons inside the engine cylinder compress the air-fuel mixture before ignition."


2

To reduce the storage size of digital data or files by encoding information using fewer bits (in computing).

Example

"You should compress the high-resolution images into a single archive before emailing them."


3

To express or condense information, ideas, or events in a shorter, more concise form or within a briefer period of time.

Example

"The lecturer managed to compress three centuries of European history into a single one-hour seminar."

Synonyms
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Antonyms
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• noun

1

A pad of lint, folded cloth, or other absorbent material pressed onto a part of the body to relieve inflammation, reduce swelling, or stop bleeding, often moistened with hot or cold water or medication.

Example

"The nurse applied a cold compress to the patient's forehead to help bring down the fever."

Synonyms
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Word Nuance & Usage

Like many two-syllable English heteronyms, "compress" shifts stress depending on its part of speech: the verb is stressed on the second syllable (kuhm-PRES), whereas the medical noun is stressed on the first syllable (KOM-pres).

• Rhymes for compress

Word Origin & Etymology

Borrowed in Middle English from Old French compresser, ultimately derived from Late Latin compressare, a frequentative of Latin comprimere ("to press together"), formed from com- ("together") and premere ("to press").

Cite this Entry


Wordmom. (2026). Definition of Compress. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/compress
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