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Meaning of jam up | Babel Free

Verb CEFR B2

Definitions

To cause (something) to become blocked or clogged; to clog up.
transitive
To become blocked or clogged.
intransitive
To cause trouble; to stop or inhibit (someone, something).
figuratively, transitive

Examples

“The traffic jammed up on the boulevard.”

CEFR level

B2

Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.

See also

jam-pack jam-packed jam-packing jam-packs Jamaicanize Jamaicanized