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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)

septenarius
nounC2
/ˌsɛptɪˈnɛːrɪəs/A line of Latin verse consisting of seven metrical feet.
septenary
adjectivenounRare
/sɛpˈtiːn(ə)ri/A group or set of seven; a period of seven years.
septendecillion
adjectivenounC1/C2 (Very Low)
/ˌsɛptɛndɪˈsɪljən/The cardinal number equal to 10^54 (short scale) or 10^102 (long scale), representing an unimaginably large quantity.
septennial
adjectivenounC2/Rare
/sɛpˈtɛnɪəl/Occurring every seven years, or lasting for a period of seven years.
septennium
nounVery Low
/sɛpˈtɛnɪəm/A period of seven years.
septentrion
nounVery Rare
/sɛpˈtɛntriən/The north or northern regions, especially in a literary or archaic context.
septet
nounLow
/sepˈtet/A group of seven people or things, especially musicians.
septic
adjectivenounB2
/ˈsɛptɪk/Containing or caused by harmful bacteria or toxins; infected.
septic sore throat
nounLow
/ˌsɛptɪk ˈsɔː ˌθrəʊt/An acute, severe bacterial infection of the throat, especially the tonsils and surrounding tissue.
septic tank
nounmedium
/ˌsɛp.tɪk ˈtæŋk/An underground tank where sewage is decomposed by bacterial activity.
septicaemia
nounLow
/ˌseptɪˈsiːmiə/A serious medical condition where bacteria enter the bloodstream and cause widespread infection.
septicemia
nounC2
/ˌsɛptɪˈsiːmɪə/A severe, life-threatening bloodstream infection caused by bacteria or their toxins.
septicemic plague
nounC2 (Very Low Frequency)
/ˌsɛptɪˈsiːmɪk pleɪɡ/A life-threatening bacterial bloodstream infection.
septillion
adjectivenounVery Low
/sɛpˈtɪl.i.ən/The cardinal number equal to 10^24 (in the short scale system used in most English-speaking countries) or 10^42 (in the long scale system used in some European countries).
septimana
nounVery Low
/ˌsɛptɪˈmɑːnə/A week, period of seven days. A noun of Latin origin.
septime
nounVery Low
/ˈsɛptiːm/The seventh of eight defensive positions in classical fencing.
septimus
nounRare
/ˈsɛptɪməs/A Latin ordinal numeral meaning 'seventh'.
septisyllable
nounVery Low
/ˈsɛptɪˌsɪləbl/A word or metrical line consisting of seven syllables.
septuagenarian
adjectivenounLow
/ˌseptjʊəˈdʒenərɪən/A person who is between 70 and 79 years old.
septuagesima
nounVery Rare / Obsolete
/ˌsɛptjʊəˈdʒɛsɪmə/The name for the third Sunday before Lent in the traditional Western Christian liturgical calendar.

Showing 3981–4000 of 15552 words.