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English Words Starting With S

15,552 entries — pick a word to see its definition, pronunciation, and usage.

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Noun Verb Adjective Adverb Plural noun Combining form Verb (transitive)Verb (intransitive)Verb (ambitransitive)

supermassive star
nounC2
/ˌsuːpəˈmæsɪv stɑː/An extremely massive star, typically many times larger than our Sun, often found in the early universe or in dense star-forming regions.
supermax
nounC2
/ˈsuːpəmæks/A maximum-security prison for the most dangerous prisoners
supermaxilla
nounExtremely Rare
/ˌsuːpəmækˈsɪlə/The upper jawbone (maxilla) in vertebrates, specifically in anatomical terminology.
supermembrane
nounExtremely low
/ˈsuːpəˌmɛm.breɪn/A theoretical, fundamental object in high-energy physics, specifically M-theory, which is a two-dimensional extended structure (a 'brane') of higher dimensionality than a string.
supermicro
nounLow (Specialist/Technical)
/ˈsuːpəˌmaɪkrəʊ/An exceptionally small-scale or miniature system, component, or entity; often referring to highly compact computer systems or servers.
supermini
nounC1
/ˌsuːpəˈmɪni/A small car, smaller than a typical compact car, designed primarily for urban driving.
supermodel
nounB2
/ˈsuːpəmɒdl̩/A highly successful and internationally famous fashion model, often with celebrity status.
supermom
nounMedium
/ˈsuːpəˌmɒm/A mother who performs parenting and household duties with exceptional skill, energy, and success, often while also managing a career.
supermoon
nounLow-medium
/ˈsuːpəmuːn/A full moon or new moon that coincides with the moon's closest approach to Earth in its elliptical orbit, making it appear larger and brighter.
supermoto
nounLow (Specialist/Lexical Field)
/ˈsuːpəməʊtəʊ/A type of motorcycle sport or motorcycle that combines elements of motocross and road racing, typically featuring a dirt bike chassis with road racing tires.
supernanny
nounC1/C2 (Low-medium frequency, niche/specific cultural reference)
/ˈsuːpənæni/A highly skilled, professional nanny, often with authoritative or expert methods for managing children's behaviour.
supernationalism
nounLow (C2/Professional)
/ˌsuːpəˈnæʃ(ə)nəlɪz(ə)m/A political ideology or policy advocating for authority or organization that transcends national boundaries, placing loyalty to a larger entity above the nation-state.
supernatural
adjectivenounB2
/ˌsuːpəˈnætʃ(ə)rəl/Relating to phenomena, beings, or forces that are beyond scientific understanding or the laws of nature.
supernaturalism
nounLow
/ˌsuːpəˈnætʃ(ə)rəlɪz(ə)m/The belief in, or study of, supernatural forces, entities, or events that exist outside the laws of nature.
supernaturality
nounVery low
/ˌsuːpənatʃəˈraləti/The state or quality of being supernatural; the condition of existing outside or beyond the known laws of nature.
supernaturalize
verb-transitiveVery Rare
/ˌsuːpəˈnatʃ(ə)rəlʌɪz/to attribute something to supernatural causes; to give a supernatural character or interpretation to something.
supernova
nounLow
/ˌsuːpəˈnəʊvə/A star that undergoes a catastrophic explosion, extremely luminous for a short period.
supernova remnant
nounVery Low
/ˌsuː.pəˌnəʊ.və ˈrɛm.nənt/The expanding cloud of gas and dust created by a supernova explosion.
supernumerary
adjectivenounC2
/ˌsuːpəˈnjuːmərəri/Exceeding the required, usual, or prescribed number; extra.
supernurse
nounLow (non-standard, informal neologism)
/ˈsuːpənɜːs/A nurse exhibiting extraordinary dedication, expertise, versatility, or resilience, often used informally to denote excellence or hyper-competence in the nursing profession.

Showing 14321–14340 of 15552 words.