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fastly

adv.

former adverbial cousin to fast (adj.), from Old English fæstlic "firm, fixed, steadfast, resolute;" obsolete in 19c., simple fast taking its place.

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Online Etymology Dictionary, © 2010 Douglas Harper

Examples from the Web for fastly

Historical Examples

  • The next day one boy's list began: Slowly, fastly, lily, emily!

    Harper's Round Table, August 13, 1895

    Various

  • Still he sleeps; he will not waken, Fastly closed is his eye; Paler is his cheek, and chiller Than the icy moon on high.