English Reference

Word

lightning

Phoneticslight·ning, stress on the first syllable

US/ˈɫaɪtnɪŋ/

UK/lˈaɪtnɪŋ/

Definitions

01weather phenomenon

A2 · Elementary Uncountable noun Science

n. the bright flashes of light you see in the sky during a storm.

n. the visible flash of light accompanying a high-voltage electrical discharge in the atmosphere.

“The sky lit up with bright lightning just before the heavy rain started.”

“A jagged bolt of lightning illuminated the entire valley for a split second before the thunder echoed through the mountains.”

Pitfall

The lightning stroke the tree.

The lightning struck the tree.

The past tense of 'strike' is 'struck'.

Synonyms

02extremely fast

B2 · Upper Intermediate

adj. happening very quickly or suddenly.

adj. characterised by extreme speed or suddenness; typically used in a figurative sense to describe actions or reactions.

“The boxer had lightning reflexes and avoided every punch.”

“The company responded with lightning speed to the PR crisis, issuing a full apology within minutes of the incident.”

Antonyms

03to produce flashes

B1 · Intermediate

v. when the sky produces flashes of electricity during a storm.

v. to emit or produce lightning; used impersonally with 'it' as the subject.

“It started to thunder and lightning while we were walking home.”

“It had been lightning on the horizon for hours before the actual storm front reached the coastal town.”

Usage

Used as an impersonal verb, almost always with the dummy subject 'it'.

04gin

C2 · Proficiency Uncountable noun Archaic · Slang · British English

n. an old, informal word for gin.

n. a slang term for gin, particularly of a cheap or potent variety.

“The old sailor sat in the corner of the pub drinking a glass of lightning.”

“In the gritty novels of the Victorian era, characters often sought refuge from their misery in a bottle of white lightning.”

Teaching tip

This sense is archaic; learners will mostly encounter it in 19th-century literature or historical dramas.

Synonyms

Etymology

From light(e)n + -ing. Doublet of lightening.

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

Related words

Idioms

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.A2 KeyIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.3.0–4.0TOEFL 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: 2.0–2.524–43TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.225–549
Frequency
Common
Level
A2 · Elementary
Updated

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