thicken.
To make thicker (in the sense of wider).
Meaning & usage
To make thicker (in the sense of wider).
To make thicker (in the sense of more viscous).
to thicken a sauce
To become thicker (in the sense of wider).
To become thicker (in the sense of more viscous).
To strengthen; to confirm.
To make more frequent.
to thicken blows
To make more detailed or comprehensive.
Where this word comes from
From Middle English thickenen, thikkenen, perhaps from Old Norse þykkna (“to thicken”); equivalent to thick + -en. Cognate with Swedish tjockna (“to thicken”), Icelandic þykkna (“to thicken”).
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.