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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)

sebastopol
nounLow
/sɪˈbæstəpɒl/A major city and port in Crimea, on the Black Sea, historically a strategically important naval base.
seboim
nounN/A (Not applicable)
The word 'seboim' does not exist in contemporary standard English dictionaries.
seborrhea
nounLow
/ˌsɛbəˈriːə/A medical condition characterized by excessive production of sebum by the skin.
seborrhoea
nounLow
/ˌsɛbəˈriːə/A medical condition of the skin characterized by excessive production of sebum (oily secretion) by the sebaceous glands.
sebum
nounC2
/ˈsiːbəm/An oily, waxy substance produced by the sebaceous glands in the skin to lubricate and waterproof the skin and hair.
secant
adjectivenounC2
/ˈsiːkənt/A straight line that intersects a curve at two or more points.
secateurs
nounplural-nounC1
/ˈsɛk.ə.təz/A hand-held, scissor-like tool with two short blades, used for pruning plants, especially stems and small branches.
secaucus
nounLow
/sɪˈkɔːkəs/A proper noun referring to a town in northeastern New Jersey, United States.
secchi
nounLow
/ˈsɛki/A circular disk, typically white or with alternating black and white quadrants, used to measure water transparency or turbidity in bodies of water.
secchi depth
nounLow
/ˈsɛki dɛpθ/A measurement of water transparency or turbidity taken using a Secchi disk.
secchi disk
nounC1/C2
/ˈsɛki dɪsk/A circular plate, typically white or with alternating black and white quadrants, lowered into water to measure transparency.
secco
adjectivenounC2
ˈsekəʊA style of recitative in opera or oratorio, accompanied sparsely (originally by harpsichord), characterized by rapid, speech-like delivery.
secede
verbverb-intransitiveC1
/sɪˈsiːd/To withdraw formally from membership in a federation, alliance, political union, or organization, often as an act of political separation.
secern
verbverb-intransitiveverb-transitiveRare
/sɪˈsɜːn/To separate or distinguish, especially in a physiological context (to secrete).
secession
nounC1
/sɪˈsɛʃ(ə)n/The formal withdrawal of a group (especially a region or state) from a larger political entity, such as a nation, federation, or union.
secessionist
adjectivenounLow
/sɪˈsɛʃənɪst/A person who advocates or supports secession, the withdrawal from a union or political entity.
sech
nounVery low
/sɛtʃ/A mathematical function, the hyperbolic secant, defined as sech(x) = 1 / cosh(x) = 2 / (e^x + e^-x).
seckel
nounLow
/ˈsɛk(ə)l/A small, sweet, russeted variety of pear.
seclude
verbverb-transitiveC1
/sɪˈkluːd/To keep someone or something away from others; to remove from social contact or public view.
seclusion
nounC1
/sɪˈkluːʒ(ə)n/The state of being private and away from other people.

Showing 3021–3040 of 15552 words.