English Reference

Word

lean

Phoneticslean

US/ˈɫin/

UK/lˈiːn/

Irregular verb

Forms

Infinitive

lean

Past

leaned / leant

Past participle

leaned / leant

Definitions

01to bend or slant

B1 · Intermediate

v. to bend your body or move something so it is not straight up and down.

v. to incline or deviate from a vertical position.

“He had to lean out of the window to see the parade coming down the street.”

“The old tower began to lean precariously to the west, prompting engineers to install massive steel reinforcements at its base.”

Synonyms

Antonyms

02to rest against

B1 · Intermediate

v. to rest your weight against something for support.

v. to rest or rely on something for physical support or to press against a surface.

“You can lean your bicycle against the wall while we go inside.”

“Exhausted after the climb, the hikers leaned against the damp cave wall to catch their breath before the descent.”

Synonyms

03to prefer an idea

B2 · Upper Intermediate

v. to be more likely to choose or support one idea over another.

v. to incline in opinion, taste, or desire; often used with the prepositions 'to' or 'towards'.

“I am leaning towards the blue car, but the red one is cheaper.”

“While the committee remains undecided, several members appear to be leaning towards the more conservative investment strategy.”

Synonyms

04thin and fit

B2 · Upper Intermediate Biology

adj. thin in a healthy way, with strong muscles and little fat.

adj. thin and fit; containing little or no fat.

“The athlete had a lean, muscular body from years of training.”

“The trainer recommended a diet of lean proteins and complex carbohydrates to help the boxer reach his target weight class.”

Synonyms

Antonyms

05efficient or scarce

C1 · Advanced Business Academic · Formal

adj. using only what is necessary without wasting money or time; also used for times when there is not much of something.

adj. efficient and economic; also used to describe periods of scarcity or meagre resources.

“The company became more profitable after adopting lean manufacturing methods.”

“During the lean years of the recession, the family learned to survive on a very strict budget with no room for luxuries.”

Synonyms

06a slope

C1 · Advanced Countable noun Formal

n. a position where something is not straight.

n. an inclination or slope away from the vertical.

“The fence has a slight lean after the heavy storm last night.”

“The architect noted a distinct lean in the supporting pillars, suggesting that the foundation had settled unevenly over the decades.”

Synonyms

07drug mixture

C2 · Proficiency Uncountable noun Slang · American English

n. a dangerous drink made from strong cough medicine and soda.

n. a recreational drug mixture typically involving codeine-based cough syrup and soda.

“The song mentions drinking lean, which is a very harmful habit.”

“Public health officials have raised concerns about the glamorisation of lean in certain subcultures due to its highly addictive nature.”

Synonyms

purple drank

Collocations

Common phrases and expressions where native English speakers use the word “lean” in context.

Verb

01. become lean

“Many startups aim to become lean by automating their core processes.”

verb + adj

02. remain lean

“Despite his age, the dancer managed to remain lean through a strict diet.”

verb + adj

03. stay lean

“The company had to stay lean to survive the economic downturn.”

verb + adj

Adjective

04. lean and fit

“After months of training for the marathon, he looked incredibly lean and fit.”

adj + and + adj

05. lean and muscular

“The athlete had a lean and muscular build that was perfect for sprinting.”

adj + and + adj

Noun

06. lean meat

“Doctors usually recommend eating lean meat like chicken breast or turkey.”

adj + noun

07. lean production system

“The factory implemented a lean production system to reduce waste and increase efficiency.”

adj + noun + noun

Usage

Typically placed before the noun it modifies; often used in business to describe efficiency.

Pitfall

he leans to the wall

he leans against the wall

When resting weight on a surface, 'against' or 'on' is required; 'to' is used for directions or preferences.

Real-World Examples

“Texas was the leader, with a power mix that leaned more heavily on batteries and gas than other states.”
Ars Technica 15 Aug 2026
“In this respect, the site of El Sidrón , in northern Spain, provides a particularly strong basis which we can lean on.”
ScienceDaily 7 Jul 2026

Word family

ADJECTIVE

Lean(B2)

Related words

Domains

BiologyBusinessPrinting

This entry

Exam level
CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.B2 FirstIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.5.5–6.5TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 4.0–4.572–94TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.785–944
Frequency
Common
Level
B2 · Upper IntermediateOxford
Updated

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