Signal
//ˈsɪɡnəl//
Word Type
Noun
Verb
Adjective
Adjective
The word "signal" can be used as noun, verb, adjective and adjective.
Word Relationships
Opposites (Antonyms)
Derived Terms
analog signal ball signal block signal busy signal cab signal clock signal colour light signal danger signal danger-signal digital signal directional signal discrete-time signal distant signal distress signal false signal fast busy signal fog signal gang signal ground signal hand signal hand-signal home signal hypersignal hyposignal main signal missignal mixed signal oversignal phylosignal price signal radio signal railway signal right-away signal semaphore signal shunting signal signal aspect signal boost signal box signal bridge signal cabin signal check signal crayfish signal fire signal fly signal gantry signal indication signal lad signal passed at danger signal phrase signal pistol signal post signal processing signal strength signal timing signal tower signal tracer signal transduction signal-noise ratio signal-to-noise signal-to-noise ratio signalbox signalise signalize signalless signalman signalpost signalwoman smoke signal smoke-signal somersault signal starter signal starting signal stop signal time reversal signal processing time signal time-signal traffic signal traffic signal box turn signal undersignal virtue signal
Context
Broader Terms (Hypernyms)
Type Of (IsA)
Related Terms
beckon blinking cell communicate communication control convey electrical electromagnetic flasher indicate information interaction interprocess left left flasher light message noise notify process railway railway control right right turns semaphore sign signalling signature simple simple message telegraph thread tocsin turning turning light turns useful voltage
Similar Terms
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.