English Reference

Word

shadow

Phoneticsshad·ow, stress on the first syllable

US/ˈʃæˌdoʊ/

UK/ʃˈædəʊ/

Definitions

01dark shape from blocked light

A2 · Elementary Countable noun

n. a dark shape on a surface that happens when an object blocks the light.

n. a dark area or shape produced by an object coming between rays of light and a surface.

“The tall trees cast long shadows across the grass as the sun went down.”

“The cyclist noticed his own shadow stretching far ahead of him on the pavement during the late afternoon ride.”

Synonyms

02a tiny amount

B2 · Upper Intermediate Countable noun

n. a very small amount of something.

n. the slightest trace or a very small degree of a quality or feeling.

“There was not a shadow of a doubt that he was telling the truth.”

“The prosecutor argued that there was not a shadow of evidence to support the defendant's alibi for the night in question.”

03sadness or bad influence

B2 · Upper Intermediate Countable noun

n. a feeling of sadness or a bad influence that spoils a situation.

n. an unhappy or gloomy influence that diminishes the quality of an event or period of time.

“The news of the accident cast a shadow over the whole party.”

“The sudden economic downturn cast a long shadow over the administration's otherwise successful first year in office.”

Synonyms

04to follow secretly

B2 · Upper Intermediate

v. to follow someone closely and secretly to watch where they go.

v. to follow and observe someone closely and typically secretly.

“The private detective shadowed the suspect for three days.”

“Intelligence officers shadowed the diplomat throughout the conference, documenting every unofficial meeting he attended.”

Synonyms

05to follow for training

B2 · Upper Intermediate

v. to follow someone at their job to learn how to do it.

v. to accompany a person during their work day to gain experience or understanding of a profession.

“The medical student spent the week shadowing a senior surgeon.”

“New recruits are required to shadow an experienced manager for a month before they are allowed to handle client accounts independently.”

06opposition government

C1 · Advanced Politics British English · Formal

adj. describing a group of politicians in the opposition who act like the real government.

adj. relating to the main opposition party's counterparts to the government's cabinet ministers.

“The shadow health minister criticised the government's new hospital plan.”

“The Shadow Cabinet met early this morning to draft a formal response to the Chancellor's latest budget proposal.”

07programming/variables

C2 · Proficiency Computing Technical

v. to hide a piece of data by using the same name for a new one.

v. to make an identifier inaccessible by declaring another with the same name in a more local scope.

“Be careful not to shadow the global variable inside your function.”

“The compiler issued a warning because the local variable shadowed a field in the outer class, potentially leading to logic errors.”

Synonyms

Collocations

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

Verb

01. cast a shadow

“The tall oak tree cast a long shadow across the lawn as the sun began to set.”

verb + noun

02. emerge from the shadows

“A mysterious figure slowly emerged from the shadows at the back of the alley.”

verb + prep + noun

Adjective

03. faint shadow

“I could see a faint shadow moving behind the frosted glass of the office door.”

adj + noun

04. long shadow

“In the late afternoon, the long shadows of the buildings stretched across the street.”

adj + noun

Noun

05. shadow of the building

“We stood in the cool shadow of the building to escape the midday heat.”

noun + of + noun

Preposition

06. beyond a shadow of a doubt

“The DNA evidence proved his innocence beyond a shadow of a doubt.”

prep + noun + prep + noun

07. in the shadows

“The cat waited patiently in the shadows, watching the mouse from a distance.”

prep + noun

Usage

Countable when referring to a specific shape; uncountable when referring to general darkness or a state of gloom.

Real-World Examples

“The moon blocks the sun and casts a shadow across the Earth.”
The Guardian 13 Aug 2026
“And depending on their orbit, they would go from hot when in the sunlight to cold in Earth’s shadow many times a day.”
ScienceDaily 19 Jun 2026
“It occurs when one object enters the shadow of another.”
ScienceDaily 13 Aug 2026

Word family

ADJECTIVE

Related words

Idioms

Domains

ComputingPoliticsProgrammingPsychology

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

QR code

englishreference.com/q/shadow

English Reference