English Reference

Word

behind

Phoneticsbe·hind, stress on the second syllable

US/bɪˈhaɪnd/

UK/bɪhˈaɪnd/

Definitions

01at the back of

A1 · Beginner

prep. at or towards the back of something or someone.

prep. at or to the rear of a person, object, or location.

“The cat was hiding behind the sofa because it was scared of the vacuum.”

“The small garden was tucked away behind the main house, shielded from the noise of the street by a high stone wall.”

Synonyms

02supporting

B1 · Intermediate

prep. giving support or help to someone.

prep. providing support, encouragement, or backing to a person or cause.

“The whole community is behind the team as they head to the finals.”

“The CEO remained firmly behind the marketing department's controversial decision, despite the initial negative feedback from shareholders.”

Antonyms

03the cause of

B2 · Upper Intermediate

prep. the reason why something happened.

prep. serving as the underlying cause, motive, or explanation for an event or situation.

“Police are still trying to find out who was behind the robbery.”

“The investigative journalist spent months trying to uncover the powerful interests behind the sudden change in environmental policy.”

04staying in a place

A2 · Elementary

adv. staying in a place after others have left.

adv. remaining in a location or state after the departure of others or the passing of an event.

“I forgot my umbrella behind at the restaurant yesterday.”

“While the rest of the family went to the beach, he stayed behind to finish his university application.”

Synonyms

Antonyms

05late or slow

B1 · Intermediate

adv. making less progress than you should.

adv. failing to keep up with a schedule, pace, or expected level of progress.

“The train is running ten minutes behind today.”

“The construction project fell months behind due to a series of unexpected supply chain disruptions and labour shortages.”

Synonyms

Antonyms

06overdue

B2 · Upper Intermediate Formal

adj. late with a payment or a task.

adj. in arrears or late regarding a scheduled obligation, particularly financial payments.

“He is two months behind with his rent payments.”

“The company was significantly behind on its tax obligations, leading to a formal audit by the authorities.”

Antonyms

07the buttocks

B1 · Intermediate Countable noun Informal

n. the part of the body you sit on.

n. the fleshy part of the human body that forms the buttocks.

“The toddler fell down right on his behind but didn't cry.”

“He slipped on the icy pavement and landed hard on his behind, much to the amusement of his friends.”

Usage

This is a polite way to refer to the buttocks in informal speech.

Teaching tip

Learners should use this instead of 'butt' or 'ass' if they want to be informal but not rude or vulgar.

Synonyms

Etymology

From Middle English behinde, behinden, from Old English behindan (“on the back side of, behind”), from Proto-West Germanic bihindan, bihindini (“on the back side of, in the rear of, behind”), from Proto-West Germanic bi- + hindō (“the hind side, back part”), equivalent to be- + hind. Compare Old Saxon bihindan (“behind”, adverb), Middle High German behinter (“behind; back”).

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

Grammar

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.A1 MoversIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.2.0–3.0TOEFL 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: 1.0–1.50–23TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.120–224
Frequency
Very common
Level
A1 · BeginnerOxford
Updated

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English Reference