English Reference

Word

solitary

Phoneticssoli·tary

US/ˈsɑɫəˌtɛɹi/

UK/sˈɒlɪtəɹi/

Definitions

01being alone

B2 · Upper Intermediate

adj. spending a lot of time alone, often because you enjoy it or choose it.

adj. characterised by a preference for or a state of being alone; often used to describe personality types or lifestyle choices.

“He was a solitary man who enjoyed long walks in the woods by himself.”

“Despite her success in the city, she remained a solitary figure, rarely attending social functions and preferring the quiet of her own study.”

Synonyms

alonereclusiveunsociable

02done alone

B2 · Upper Intermediate

adj. an activity that you do by yourself without other people.

adj. performed, passed, or endured without companions.

“Reading is usually a solitary activity that requires peace and quiet.”

“The researcher spent three solitary months in the Arctic, documenting the migration patterns of local wildlife without any human contact.”

Synonyms

Antonyms

03single or only one

C1 · Advanced Formal

adj. the only one of something in a particular place.

adj. being the sole example or individual of a type in a given context; single.

“A solitary light was burning in the window of the old house.”

“The only evidence of the crime was a solitary footprint left in the damp soil near the garden gate.”

Synonyms

Antonyms

04remote or lonely place

B2 · Upper Intermediate Literary

adj. a place that is far away from where people live and is very quiet.

adj. remote from settlements or society; unfrequented and secluded.

“They found a solitary beach where they could relax away from the tourists.”

“The cabin sat in a solitary valley, miles from the nearest paved road or telephone line.”

Antonyms

05not in a group

C1 · Advanced Science Technical

adj. living or growing alone rather than in a group or colony.

adj. not associated with others of the same kind; living or growing in isolation rather than in colonies or social groups.

“Tigers are solitary hunters, unlike lions which live in groups.”

“The botanist identified a solitary flower growing from the rock face, noting that this species rarely clusters with others.”

Synonyms

non-socialindividual

Antonyms

06a person who lives alone

C2 · Proficiency Countable noun Formal · Literary

n. someone who lives alone and avoids other people.

n. a person who lives in solitude, such as a hermit or recluse.

“The old solitary lived in a small hut on the edge of the cliff.”

“Historical records suggest the man was a religious solitary who had taken a vow of silence and withdrawn from the village entirely.”

Synonyms

hermitrecluseanchorite

Antonyms

07prison isolation

C1 · Advanced Uncountable noun Law Informal

n. a punishment in prison where a person is kept alone in a cell.

n. a shortened form of 'solitary confinement'; the isolation of a prisoner in a separate cell as a punishment.

“The prisoner was put in solitary for three days after the fight.”

“The warden threatened the inmates with a week in solitary if they refused to comply with the new security protocols.”

Usage

Usually used with the verb 'in'.

Synonyms

isolationthe hole

Collocations

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

01. solitary confinement

Real-World Examples

“Polymathy has never been a solitary pursuit, but one fed by contact across traditions.”
Aeon 11 Sept 2026
“They had a solitary point, were bottom, and things were not about to get any better.”
The Guardian 14 Sept 2026

Etymology

From Middle English solitarie, borrowed from Latin sōlitārius. Doublet of solitaire.

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

Related words

Domain

Botany

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
Frequent
Level
B2 · Upper Intermediate
Updated

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