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signal2

Pronunciation: /ˈsɪgn(ə)l/

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Definition of signal

adjective

[attributive]
  • striking in extent, seriousness, or importance; outstanding:he attacked the government for their signal failure of leadership

Derivatives

signally

adverb

Origin:

early 17th century: from French signalé, from the Italian past participle segnalato 'distinguished, made illustrious', from segnale 'a signal'

signal in other Oxford dictionaries

Definition of signal in the US English dictionary