English Reference

Word

secrete

Phoneticsse·crete, stress on the second syllable

US/sɪˈkɹit/

UK/sɪkɹˈiːt/

Definitions

01biological production

C1 · Advanced Science Technical

v. to produce and release a liquid substance from a cell, gland, or organ.

v. to generate and release a substance from a cell or gland for a specific physiological function or as waste.

“The glands in your skin secrete oil to keep it soft and healthy.”

“The pancreas secretes insulin directly into the bloodstream to regulate glucose levels after a meal.”

Synonyms

Antonyms

02to hide

C2 · Proficiency Formal

v. to hide something in a secret place.

v. to conceal or hide something away, often in a small or private space.

“He managed to secrete the stolen documents inside the lining of his coat.”

“The spy had secreted a miniature camera within a hollowed-out book on the library shelf.”

Synonyms

Antonyms

Real-World Examples

“In the early 1980s, humans discovered that the toad’s poison glands secrete a venom that contains, among other chemicals, 5-MeO-DMT, a potent hallucinogen also known as the “God molecule”.”
The Guardian 17 Aug 2026
“Unlike other pests that eat crops outright, Hessian fly larvae secrete chemicals through their saliva into plant cells.”
Phys.org 14 Aug 2026
“The team interpreted these layers as material diatoms secrete when they are badly stressed.”
Ars Technica 9 Aug 2026
“The slime is highly valued as an anti-inflammatory and anti-aging ingredient in certain skin care products, and snails can secrete different kinds of mucus with properties tailored to specific functions.”
Ars Technica 7 Aug 2026

Etymology

First attested in 1678: from Latin sēcrētus (“[having been] separated”).

First directly attested in 1728; attested as the past-participial adjective secreted in 1707: from Latin sēcrētus, perfect passive participle of sēcernō (“I separate”); reinforced by back-formation from secretion; compare secern; cognate with French sécréter and the Spanish secretar.

Alteration of secret.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

Word family

VERB

secrete(C1)

ADJECTIVE

This entry

Exam level
CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.C1 AdvancedIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.7.0–8.0TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 5.0–5.595–113TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.945–990
Frequency
Occasional
Level
C1 · Advanced
Updated

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English Reference