English Reference

Word

sigh

US/ˈsaɪ/

UK/sˈaɪ/

Definitions

01to breathe out with emotion

B1 · Intermediate

v. to let out a deep breath that people can hear because you are tired, sad, or disappointed.

v. to emit a long, deep, audible breath expressing fatigue, frustration, or grief. Intransitive in its primary sense.

“She sighed with relief when she finally found her lost keys in her bag.”

“The professor sighed audibly as he began grading the stack of poorly researched essays that had arrived just before the weekend.”

Synonyms

02to make a similar sound

B2 · Upper Intermediate Literary

v. to make a sound like a person breathing out, like wind in the trees.

v. to produce a sound reminiscent of a human sigh, typically used of wind or moving air.

“The wind sighed through the tall pine trees behind the house.”

“A gentle breeze sighed through the open casement, carrying the scent of damp earth and jasmine into the quiet library.”

Synonyms

03the sound of a deep breath

B1 · Intermediate Countable noun

n. the sound you make when you breathe out deeply because of a strong feeling.

n. a single deep, audible respiration expressive of sorrow, weariness, or relief.

“With a heavy sigh, he sat down and started his homework.”

“The negotiator let out a long sigh of frustration when the talks reached another unexpected stalemate after hours of progress.”

Synonyms

exhalationbreath

04written expression of annoyance

B2 · Upper Intermediate Informal

interj. a word used in text messages or emails to show you are tired or annoyed.

interj. a written representation of the act of sighing, used to convey a pragmatic mood of resignation or mild annoyance in digital discourse.

“Sigh, I have to work late again tonight.”

“Sigh, I just realised I left my umbrella on the train and it is starting to pour.”

05a bored person

C2 · Proficiency Countable noun British English · Slang · Dialect

n. a person who is very bored or boring.

n. a person characterised by boredom or lack of interest. Derived from rhyming slang 'sigh and groan'.

“Don't be such a sigh; come out to the party with us.”

“He was known as a bit of a sigh among his colleagues, rarely contributing anything of substance to the office social events.”

Synonyms

Collocations

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

Verb

01. heave a sigh

“The professor heaved a sigh before beginning the long explanation for the third time.”

verb + noun

02. sigh and shake

“He sighed and shook his head in disbelief at the news report.”

verb + and + verb

03. sigh with relief

“She sighed with relief when she finally found her passport at the bottom of her bag.”

verb + prep + noun

Noun

04. long sigh

“After a long sigh, he admitted that he had made a mistake.”

adj + noun

05. sigh of frustration

“A collective sigh of frustration went up from the crowd when the train was cancelled.”

noun + of + noun

Adverb

06. audibly sigh

“The audience members began to audibly sigh as the technical delays continued.”

adv + verb

07. sigh deeply

“The doctor sighed deeply, looking over the patient's complicated medical history.”

verb + adv

08. wearily sigh

“She wearily sighed as she sat down to start her second shift of the day.”

adv + verb

09. sigh of relief

Real-World Examples

“As I gently removed him, I breathed a sigh of relief as I saw the Tic Tac-size device sitting on his back.”
Phys.org 9 Sept 2026

Etymology

From Middle English sighen (“to sigh”), back-formation from sighte, past tense form of siken, from Old English sīcan, from Proto-West Germanic sīkan, perhaps ultimately from Proto-Indo-European seykʷ- (“to pour out”).

From Middle English sighe (“sigh”), from sighen (“to sigh”) (see [[#Etymology 1]]).

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.C1 AdvancedIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.7.0–8.0TOEFL 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: 5.0–5.595–113TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.945–990
Frequency
Frequent
Level
C1 · AdvancedOxford
Updated

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