Browse by letter
English Words Starting With S
15,552 entries — pick a word to see its definition, pronunciation, and usage.
Filter
Parts of speech
- sign manual/ˌsaɪn ˈmæn.ju.əl/A handwritten signature, especially one of historical or legal significance, belonging to a particular person.nounLow (C2)
- sign of aggregation/saɪn əv ˌæɡrɪˈɡeɪʃ(ə)n/A visual cue indicating that a group or collection of items forms a unified set.nounRare/Technical
- sign of the cross/saɪn əv ðə krɒs/A ritual gesture made by tracing a cross over one's body with the hand, used as a prayer, blessing, or invocation in Christian traditions, particularly within Catholic, Orthodox, Anglican, and some Protestant churches.nounC1
- sign of the zodiac/ˌsaɪn əv ðə ˈzəʊ.di.æk/one of the twelve 30-degree sectors of the ecliptic, each named after a constellation, used in astrology to denote a person's birth period.nounB2
- sign off/saɪn ɒf/To formally or officially conclude something, especially by giving approval or authorization.nounverbMedium-high (Common in professional and media contexts)
- sign test/ˈsaɪn test/A non-parametric statistical test used to determine if there is a significant difference between the medians of two related or paired samples by analyzing the signs of the differences.nounLow
- sign up/saɪn ʌp/To register for a membership, course, or service by providing one's details.nounverbB1
- sign-on/ˈsaɪn ɒn/To formally agree to a contract, set of rules, or to begin using a service by registering.nounverbB2
- sign-out/ˌsaɪn ˈaʊt/To formally record your departure from a place or system, especially by writing your name or by entering a password/command.nounverbMedium-High
- signa/saɪn/To write one's name on something to show authorship, agreement, or receipt; to communicate using gestures, especially for the deaf.verbHigh
- signac/ˈsiːn.jæk/Signac is not a standard English word. It is the surname of Paul Signac, a French Neo-Impressionist painter. In English contexts, it is used exclusively as a proper noun referring to the artist or his works.nounC2 - Very low frequency, specialized/proper noun
- signage/ˈsaɪnɪdʒ/Signs, especially commercial or public information signs, considered as a collective group or system.nounC1
- signal/ˈsɪɡnəl/A gesture, action, or sound that conveys information or instructions.adjectivenounverb+2High
- signal board/ˈsɪɡnəl bɔːd/A physical board, panel, or display, often found in public spaces or control centers, that uses lights, letters, or symbols to present important and changing information such as departures, arrivals, messages, warnings, or statuses.nounC1
- signal box/ˈsɪɡnəl bɒks/A small building beside a railway line, traditionally housing levers and equipment for controlling signals and points to direct train movements safely.nounLow (C1+)
- signal corps/ˈsɪɡ.nəl ˌkɔː/A military unit responsible for establishing and maintaining communications, using flags, lights, radio, or other methods.nounC2 (Specialized/Military)
- signal generator/ˈsɪɡnəl ˈdʒɛnəreɪtə/An electronic device or circuit that produces electronic signals (usually repeating waveforms like sine, square, or sawtooth waves) for the purpose of testing, repairing, or designing other electronic equipment.nounLow frequency (Technical domain-specific term).
- signal-to-noise ratio/ˌsɪɡnəl tə ˈnɔɪz ˌreɪʃiəʊ/A measure comparing the level of a desired signal to the level of background noise.nounC1
- signalize/ˈsɪɡ.nə.laɪz/to mark or make something conspicuous, noteworthy, or distinct.verbverb-transitiveLow (literary/technical)
- signalman/ˈsɪɡnəlmən/A person whose job is to operate railway signals to control train movements.nounLow
Showing 6121–6140 of 15552 words.