- nounsignal (noun) · signals (plural noun)
- a gesture, action, or sound that is used to convey information or instructions, typically by prearrangement between the parties concerned:"the firing of the gun was the signal for a chain of beacons to be lit" · "the policeman raised his hand as a signal to stop"
- an indication of a state of affairs:"the markets are waiting for a clear signal about the direction of policy"
- an event or statement that provides the impulse or occasion for something specified to happen:"the champion's announcement that he was retiring was the signal for scores of journalists to gather at his last match"
- bridgea prearranged convention of bidding or play intended to convey information to one's partner.
- an electrical impulse or radio wave transmitted or received:"equipment for receiving TV signals"
- an apparatus on a railroad, typically a colored light or a semaphore, giving indications to train engineers of whether or not the line is clear:"the driver of the mail train overran a signal at danger and ran into the rear of an express"
verbsignal (verb) · signals (third person present) · signalled (past tense) · signalled (past participle) · signalling (present participle) · signaled (past tense) · signaled (past participle) · signaling (present participle)- transmit information or instructions by means of a gesture, action, or sound:"hold your fire until I signal"
- instruct (someone) to do something by means of gestures or signs rather than explicit orders:"she signaled Charlotte to be silent"
- (of a cyclist, motorist, or vehicle) indicate an intention to turn in a specified direction using an extended arm or flashing indicator:"Stone signaled right" · "the truck signaled to turn left"
- indicate the existence or occurrence of (something) by actions or sounds:"they could signal displeasure by refusing to cooperate" · "she gave a glance that signaled that her father was being secretive"
Originlate Middle English: from Old French, from medieval Latin signale, neuter of late Latin signalis, from Latin signum ‘mark, token’ (see sign). The verb dates from the early 19th century.adjectivesignal (adjective)- striking in extent, seriousness, or importance; outstanding:"their signal failure to achieve a satisfactory solution to the problem"
Originearly 17th century: from French signalé, from the Italian past participle segnalato ‘distinguished, made illustrious’, from segnale ‘a signal’.Similar and Opposite Wordsnoun- a gesture, action, or sound that is used to convey information or instructions, typically by prearrangement between the parties concerned:
- an indication of a state of affairs:
- an event or statement that provides the impulse or occasion for something specified to happen:
adjective- striking in extent, seriousness, or importance; outstanding:
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