English Reference

Word

brash

US/ˈbɹæʃ/

UK/bɹˈæʃ/

Definitions

01bold and rude

C1

adj. behaving in a way that is too confident, loud, and often rude or annoying.

adj. overly self-assertive or bold in a manner that is tactless, impudent, or insensitive to others.

“The young manager was so brash that he offended several long-term clients.”

“His brash approach to the negotiations alienated the senior partners, who were accustomed to a more subtle and diplomatic style of communication.”

Informal

Teaching tip

This sense carries a strong negative connotation; it implies a lack of respect for social boundaries.

Synonyms

impudentcockyinsolent

Antonyms

meekmodestdiffident

03rock fragments

C2 · Science

n. broken pieces of rock found just under the soil.

n. broken and angular rock fragments underlying alluvial deposits or soil.

“The geologist examined the brash to determine the type of rock beneath the field.”

“Excavation revealed a thick layer of limestone brash, which made the initial stages of the foundation work particularly difficult.”

Technical

Usage

Usually uncountable when referring to the material in general.

Synonyms

04hedge debris

C2

n. small twigs and leaves that fall under a hedge or tree.

n. leaf litter consisting of small leaves and twigs, typically found beneath a hedge or in a forest.

“We spent the afternoon clearing the brash from the bottom of the garden.”

“The forest floor was covered in a dense layer of brash, providing a habitat for various small insects and fungi.”

British English · Technical

Teaching tip

Common in British forestry and gardening contexts.

Synonyms

Real-World Examples

“Manhunter is a brash, queasy, bold thriller; yet for me, it is a curtain-raiser for the main event.”
The Guardian · 23 Sept 2026

Etymology

Uncertain. Perhaps from Scots brash, brasch (“a violent onset; an attack or assault”). Perhaps also related to Dutch bars (“stern; strict”), German barsch (“harsh; unfriendly”), Danish barsk (“harsh; rough; tough”), Swedish barsk (“harsh; impetuous”).

Compare American English bresk, brusk (“fragile, brittle”).

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

Domain

Geology

This entry

Level
C1 · Advanced
Frequency
Occasional
Updated

Scan code

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English Reference