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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)

supernutrient
nounLow
/ˈsuːpənjuːtrɪənt/A nutrient that is considered exceptionally beneficial or powerful for health, often with multiple significant positive effects.
superorder
nounRare (Technical/Specialist)
/ˈsuːpərˌɔːdə/In biological taxonomy, a taxonomic rank above order and below class or subclass.
superordinate
adjectivenounverb+1C1/C2
/ˌsuːpərˈɔːdɪnət/higher in rank, status, or category; having authority or being more general than something else
superordination
nounC2
/ˌsuːpərˌɔːdɪˈneɪʃən/The state or relation of being of higher rank, authority, or logical class.
superovulate
verb-intransitiveverb-transitiveLow/Very Low
/ˌsuːpərˈɒvjʊleɪt/To produce a larger than normal number of ova (eggs) at one time.
superoxide
nounC2
/ˌsuːpərˈɒksaɪd/A chemical compound containing the highly reactive O₂⁻ anion, where oxygen has an oxidation state of −½.
superparasite
nounVery low
/ˌsuːpəˈpærəsaɪt/A parasite that lives on or in another parasite.
superparticle
nounVery Low (Specialist)
/ˈsuːpəˌpɑːtɪk(ə)l/A hypothetical elementary particle postulated to be a constituent of other subatomic particles, often in theories beyond the Standard Model, such as supersymmetry.
superpatriot
nounC1/C2
/ˌsuːpəˈpætriət/An individual exhibiting extreme, fervent, or uncritical devotion to their country.
superphone
nounC1/C2 (Low-frequency, specialized term)
/ˈsuː.pə.fəʊn/A mobile phone, especially a smartphone, with extremely advanced technical specifications and capabilities.
superphosphate
nounC1
/ˌsuːpəˈfɒsfeɪt/A chemical fertilizer made by treating phosphate rock with acid, containing water-soluble phosphorus.
superphylum
nounVery Low (Technical/Scientific)
/ˈsuːpəˌfaɪləm/A taxonomic rank in biological classification that is higher than a phylum and below a kingdom, used to group related phyla.
superplastic
adjectivenounC2
/ˌsuːpəˈplæstɪk/A material that can undergo extremely large tensile deformation without breaking, especially at high temperatures.
superport
nounLow
/ˈsuːpəpɔːt/A very large port, typically designed to handle massive cargo ships and exceptionally high volumes of trade and shipping.
superpose
verbverb-transitiveC1/C2 - Low frequency, academic/technical
/ˌsuːpəˈpəʊz/to place or lay (something) over or above something else, especially so that corresponding points coincide.
superposition
nounLow
/ˌsuːpəpəˈzɪʃ(ə)n/The action of placing one thing on or above another, especially so that they coincide.
superposition principle
nounLow frequency; primarily used in specialized academic and technical contexts.
/ˌsuːpəpəˈzɪʃən ˈprɪnsɪpəl/A fundamental concept in physics and mathematics stating that, in a linear system, the net response caused by two or more stimuli is the sum of the responses that would have been caused by each stimulus individually.
superpower
nounB2
/ˈsuːpəpaʊə(r)/An extremely powerful nation with dominant global influence, particularly in military, economic, and political spheres; also, an exceptional or extraordinary ability.
superrace
nounC2
/ˈsuːpəˌreɪs/A race of people, especially a hypothetical one, considered to be superior to all others in certain characteristics (usually intelligence, physique, or culture), based on unscientific and discriminatory ideologies.
superrealism
nounC1+
/ˌsuːpəˈrɪəlɪz(ə)m/An artistic style or movement seeking to depict subjects with extreme, often photographic, detail and precision, going beyond mere realism.

Showing 14341–14360 of 15552 words.