US /ˈɑn.tu/ UK /ˈɒn.tuː/
prep adj Freq #1566

Meanings

  1. 1
    prep

    To a position on top of or on the surface of something.

    My cat just jumped onto the keyboard.

  2. 2
    prep

    Aware of or having discovered (someone's secret or plan).

    The police were onto his plan within days.

Thesaurus

Word family
Derived forms thereontowhereonto

Etymology

From on + to, after into. Compare Saterland Frisian antou (“up to”).

Topics

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