Ferment Meaning

/fəˈmɛnt/
C1

Definition, CEFR level C1, pronunciation, examples, and quiz.

Listen pronunciation

verbTo react, using fermentation; especially to produce alcohol by aging or by allowing yeast to act on sugars; to brew.

verbTo stir up, agitate, cause unrest or excitement in.

Yeast makes beer ferment.
The whole town was in a ferment.
As the food particles ferment, they produce methane.
Synonyms:
Antonyms:
None
CEFR Practice Quiz
If you leave fruit juice out too long, it will begin to ____ into alcohol.
CEFR Practice Quiz (Alternate)
Yeast is used to ____ the sugars in grapes, turning them into alcohol during the winemaking process.

From Middle English ferment, from Middle French ferment, from Latin fermentāre (“to leaven, ferment”), from fermentum (“substance causing fermentation”), possibly from contraction of *fervimentum, from fervēre. See also fervent.

"The cleanup job would turn out to be possibly second only to body-recovery duty in terms of being a job that nobody wanted to get assigned to. Imagine, for a moment, a thick soup of oil, paper, ink, clothing, raw meat and other fresh provisions, and worse, that had all been left to collect together in semi-warm water, all enclosed in a large metal container that had then been subjected to heating by first fire and then repeated warm Hawaiian days, and then left to ferment for over a month, and then with most of the water drained away and all the remaining solid and semi-liquid mass collecting together in pools and heaps across multiple decks, still in a relatively-enclosed environment." — 2020 November 18, Drachinifel, 6:21 from the start, in The Salvage of Pearl Harbor Pt 2 - Up She Rises!, archived from the original on 22 Oct 2022:
"Ye vigorous swains! while youth ferments your blood." — 1713, [Alexander] Pope, Windsor-Forest. […], London: […] Bernard Lintott […], →OCLC:
"Pleas'd have I wander'd thro' your rough domain; / Trod the pure virgin-ſnows, myſelf as pure; / Heard the winds roar, and the big torrent burſt; / Or ſeen the deep fermenting tempeſt brew'd, / In the grim evening ſky." — a. 1749 (date written), James Thomson, “Winter”, in The Seasons, London: […] A[ndrew] Millar, and sold by Thomas Cadell, […], published 1768, →OCLC, page 165, lines 10–14:
"Subdue and cool the ferment of desire." — a. 1729, John Rogers, The Difficulties of Obtaining Salvation:
"Proponents of the broken windows theory assume that [disorder] means a neighborhood has lost control and doesn't care about crime. But surely there are other plausible meanings. It could signal artistic ferment, a youth hangout, rebellion, or an alternative lifestyle." — 2001, Bernard E. Harcourt, chapter 5, in Illusion of Order:

Explore More C1 Vocabulary Words

CEFR Practice Quiz
If you leave fruit juice out too long, it will begin to ____ into alcohol.
CEFR Practice Quiz (Alternate)
Yeast is used to ____ the sugars in grapes, turning them into alcohol during the winemaking process.

Expand Your Vocabulary with LexUp

Master English words using smart flashcards, play exciting word rounds, and compete with other learners worldwide.

Browse CEFR Words Alphabetically