jounce.
To shake (someone or something) up and down, for example, by driving a vehicle over obstructions or riding a horse roughly; to jolt.
Meaning & usage
To shake (someone or something) up and down, for example, by driving a vehicle over obstructions or riding a horse roughly; to jolt.
To move vigorously up and down; to bounce, to bump, to jolt; also, to fall and hit something heavily.
Where this word comes from
The verb is derived from Late Middle English *jouncen (“to jolt violently”) (evidenced by jouncinge (“violent jolting movement”)); further etymology unknown, possibly imitative. The noun is probably derived from the verb as it is attested later.
A vigorous up-and-down movement; a jolt, a shake.
The fourth derivative of the position vector with respect to time; the time derivative of jerk.
Where this word comes from
The verb is derived from Late Middle English *jouncen (“to jolt violently”) (evidenced by jouncinge (“violent jolting movement”)); further etymology unknown, possibly imitative. The noun is probably derived from the verb as it is attested later.
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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.