English Reference

Word

racking

Phoneticsrack·ing

US/ˈɹækɪŋ/

UK/ɹˈækɪŋ/

Definitions

01straining the mind

B2

v. trying very hard to remember or think of something.

v. subjecting one's mind to intense effort or strain, typically in an attempt to recall information or solve a problem.

“I have been racking my brain all morning trying to remember where I left my keys.”

“The detectives spent hours racking their brains for any overlooked detail that might lead to a breakthrough in the cold case.”

Usage

Almost always used in the fixed idiom 'racking one's brain'.

Pitfall

He was wracking his brain for the answer.

He was racking his brain for the answer.

While 'wrack' is sometimes seen, 'rack' is the standard spelling for the figurative sense of straining or stretching.

Teaching tip

Explain to students that while 'wrack' exists, 'rack' is preferred for mental effort and physical torture devices.

Synonyms

02causing pain or distress

C1

v. causing someone to feel great physical or mental pain.

v. inflicting great physical or mental suffering; used to describe intense, repetitive pain or emotional distress.

“A racking cough kept him awake for most of the night.”

“The patient suffered from racking sobs as she recounted the traumatic events of the previous week.”

Literary

Usage

Commonly used as a participial adjective before nouns like 'cough', 'sob', or 'pain'.

Teaching tip

This sense carries a connotation of 'stretching' or 'tearing', similar to the historical torture instrument.

Synonyms

agonizingtormenting

Antonyms

03moving wine or beer

C2 · Cooking

n. the process of moving wine or beer from one container to another to leave the dirty parts behind.

n. the process of siphoning wine, beer, or cider from the lees or dregs into a clean container to ensure clarity.

“After the first stage of fermentation, the wine requires racking to remove the sediment.”

“The vintner performed the racking with great care to avoid aerating the delicate white wine during the transfer.”

Technical

Usage

Used as an uncountable noun in the context of brewing and winemaking.

Teaching tip

This is a highly specialized term; students only need it if they are interested in professional brewing or viticulture.

Synonyms

siphoningfiltering

04nautical rope work

C2 · Science

v. tying two ropes together side-by-side to keep them tight.

v. binding two ropes together with a seizing to prevent them from moving independently or to increase tension.

“The sailor spent the afternoon racking the lines to secure the heavy cargo.”

“Proper racking of the shrouds was essential to maintain the structural integrity of the mast during the storm.”

Technical

Usage

Specific to nautical or sailing contexts.

Teaching tip

This sense is rare outside of traditional sailing and rigging manuals.

Synonyms

Real-World Examples

“Air India, meanwhile, has struggled for years, racking up heavy losses.”
BBC News · 10 Jun 2026
“I do enjoy that.” These second and third chances mean a lot of players are racking up considerable European records.”
The Guardian · 17 Aug 2026

Domain

Nautical

This entry

Level
C1 · Advanced
Frequency
Occasional
Updated

Scan code

englishreference.com/q/racking

English Reference