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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)

supercrat
nounC2 (Rare/Very Low Frequency)
/ˈsuːpəkræt/A senior, high-ranking official or bureaucrat, especially one in a national or international institution who wields significant power.
supercurrent
nounC2
/ˈsuːpəˌkʌrənt/A frictionless electric current flowing without resistance in a superconductor.
superdelegate
nounLow
/ˈsuːpəˌdɛlɪɡət/A delegate to a U.S. Democratic Party presidential nominating convention who is seated automatically and not bound by state primary or caucus results.
superdense theory
nounVery Low
/ˌsuːpəˌdens ˈθɪəri/A term from quantum computing referring to the principle that one can transmit two classical bits of information using a single quantum bit (qubit) through quantum entanglement.
superdodger
nounVery Low
/ˈsuːpəˌdɒdʒə/A person who skillfully avoids something, especially detection, responsibility, or an obligation.
superdominant
nounVery Rare
/ˌsuːpəˈdɒmɪnənt/A musical term for the sixth degree of a diatonic scale, the note a sixth above the tonic; in harmony, the chord built on this degree.
superego
nounC1/C2 (Low frequency, specialized vocabulary)
/ˌsuː.pərˈiː.ɡəʊ/In psychoanalytic theory, the part of the personality that represents internalized ideals and provides standards for judgment (the conscience) and for future aspirations.
superelevation
nounVery Low (C2+)
/ˌsuːpərˌɛlɪˈveɪʃ(ə)n/The banking or cant of a road or railway track on a curve, designed to counteract the effects of centrifugal force and allow vehicles to traverse the curve at higher speeds with greater safety and comfort.
superencipher
verb-transitiveVery Rare / Specialist
/ˌsuːpərɪnˈsaɪfə/To encode a message that has already been enciphered (to apply a second layer of encryption).
supererogate
verbverb-intransitiveRare / Obsolete
/ˌsuːpərˈɛrəɡeɪt/To do more than duty requires; to perform works beyond what is commanded or obligatory.
supererogation
nounC2
/ˌsuːpərˌɛrəˈɡeɪʃ(ə)n/The act of doing more than what is required, expected, or demanded by duty.
superette
nounLow
/ˌsuːpəˈrɛt/A small, self-service retail store selling groceries and household goods.
superfamily
nounC1-C2
/ˈsuːpəˌfæm(ə)li/In biology and linguistics, a taxonomic rank or classification level grouping together related families. It denotes a major group above the level of 'family' and below 'order' or 'suborder'.
superfecta
nounC2
/ˌsuːpəˈfɛktə/A type of bet in horse racing (or sometimes other sports) where the bettor must correctly select the first four finishers in exact order.
superfecundation
nounC2
/ˌsuːpəfɛkənˈdeɪʃ(ə)n/The fertilization of two or more ova from the same ovulation period by sperm from separate acts of sexual intercourse.
superfemale
nounvery low
/ˈsuːpəfiːmeɪl/A female organism possessing three X chromosomes (XXX) in genetics; more broadly, an exceptionally powerful, dominant, or exaggerated feminine archetype.
superfetation
nounVery Low
/ˌsuːpəfɪˈteɪʃən/The occurrence of a second conception during an existing pregnancy, resulting in fetuses of different gestational ages.
superficiality
nounC1-C2
/ˌsuː.pəˌfɪʃ.iˈæl.ə.ti/The quality of only dealing with or understanding the most obvious and surface aspects of something, lacking depth or substance.
superficies
nounC2
/ˌsuːpəˈfɪʃiːz/The outer surface or external appearance of something.
superfix
nounVery Low
/ˈsuːpəfɪks/A linguistic element, such as a pattern of stress or tone, placed upon a word or syllable that modifies its meaning or grammatical function.

Showing 14241–14260 of 15552 words.