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verb signal pronunciation in American English /ˈsɪɡnəl/
Word Forms
present tense
present participlesignaling or signalling
past tensesignaled or signalled
past participlesignaled or signalled
  1. 1
    [intransitive/transitive] to make a movement or sound that has a special meaning to another person

    The cyclist signaled and turned right.

    signal that:

    He turned on his flashlight to signal that he was ready.

    signal (to) someone to do something:

    The driver signaled her to cross the road.

    signal to someone:

    He signaled frantically across the room to his wife.

  2. 2
    [transitive] to show that something is happening or will happen

    This agreement signaled the end of the war.

    signal that:

    The new tax signaled that Congress was serious about the environment.

  3. 3
    [transitive] if you signal a quality or your feelings, you show what you intend to do about something

    The kidnappers have signaled their willingness to negotiate.

    Both parties have signaled their determination to win.


… a teaching method in which groups of children learn independently using a computer linked to the internet

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a derogatory word used for referring to people in the banking and investment industry who are thought of as taking serious risks in order to increase their own earnings …

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