noun · verb · 18 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
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Received-Pronunciation:/sfɪə/
British, Southern, Standard:/sfɪː/
British, Southern, Standard:/ˈsfɪj.ə/
US:sfîr
US:/sfɪɚ/
US:Recorded audio is listed in the source snapshot.
Scotland:/sfiɾ/
/sfɛː/East Anglia, cheer–chair merger
rhymes with -ɪə(ɹ)
CMU ARPABET:S F IH1 R
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
A surface in three dimensions consisting of all points equidistant from a center. .
Definition source: English Wiktionary via Wiktextract
Topics: mathematics, sciences
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: 2-sphere
Antonyms: none provided
2
noun
Meaning 2
An object which appears to be bounded by a sphere; a round object, a ball.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: orb
Antonyms: none provided
3
noun
Meaning 3
The celestial sphere: the edge of the heavens, imagined as a hollow globe within which celestial bodies appear to be embedded.
Definition source: English Wiktionary via Wiktextract
Usage: archaic
Topics: astronomy, natural-sciences
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
4
noun
Meaning 4
Any of the concentric hollow transparent globes formerly believed to rotate around the Earth, and which carried the heavenly bodies; there were originally believed to be eight, and later nine and ten; friction between them was thought to cause a harmonious sound (the music of the spheres).
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
10
verb
Meaning 10
To place in a sphere, or among the spheres; to ensphere.
Definition source: English Wiktionary via Wiktextract
Usage: transitive
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
11
verb
Meaning 11
To make round or spherical; to perfect.
Definition source: English Wiktionary via Wiktextract
Usage: transitive
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
12
noun
Meaning 12
any spherically shaped artifact
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
Broader terms: artifact, artefact
Narrower terms: globe
13
noun
Meaning 13
a particular aspect of life or activity
Definition source: Princeton WordNet 3.0
Examples
he was helpless in an important sector of his life
Meaning relationships
Synonyms: sector
Antonyms: none provided
Broader terms: aspect, facet
Narrower terms: department
14
noun
Meaning 14
the apparent surface of the imaginary sphere on which celestial bodies appear to be projected
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: celestial sphere, empyrean, firmament, heavens, vault of heaven, welkin
Antonyms: none provided
Broader terms: surface
15
noun
Meaning 15
the geographical area in which one nation is very influential
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: sphere of influence
Antonyms: none provided
Broader terms: geographical area, geographic area, geographical region, geographic region
16
noun
Meaning 16
a three-dimensional closed surface such that every point on the surface is equidistant from the center
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
Broader terms: round shape
17
noun
Meaning 17
a solid figure bounded by a spherical surface (including the space it encloses)
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
Broader terms: round shape
Narrower terms: conglomeration, conglobation, ball, globe, orb, drop, bead, pearl
18
noun
Meaning 18
a particular environment or walk of life
Definition source: Princeton WordNet 3.0
Examples
his social sphere is limited
it was a closed area of employment
he's out of my orbit
Meaning relationships
Synonyms: domain, area, orbit, field, arena
Antonyms: none provided
Broader terms: environment
Narrower terms: distaff, front, kingdom, land, realm, lap, political arena, political sphere, preserve, province, responsibility
History
Etymology
Etymology tree Ancient Greek σφαῖρᾰ (sphaîră)bor. Latin sphaera Late Latin sphērader. Old French spherebor. Middle English spere English sphere From Middle English spere, from Old French sphere, from Late Latin sphēra, earlier Latin sphaera (“ball, globe, celestial sphere”), from Ancient Greek σφαῖρα (sphaîra, “ball, globe”), of unknown origin. Not related to superficially similar Persian سپهر (sepehr, “sky”) . Displaced Old English cliewen, þoþor, and æppel.
Across languages
Translations
272 source translations are retained for this English entry.