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90s Slang You Should Know


[doo-lee, dyoo-] /ˈdu li, ˈdyu-/
in a due manner; properly; fittingly.
in due season; punctually.
Origin of duly
1350-1400; Middle English duelich(e). See due, -ly Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for duly
Contemporary Examples
Historical Examples
  • He was duly installed in his office on the sixteenth of September, 1626.

    The History of Cuba, vol. 1 Willis Fletcher Johnson
  • I must finish my collar, or I shall not duly honour your sister in my first call.

    Deerbrook Harriet Martineau
  • Had his warnings been duly heeded, a result far different from that which we shall have to record would have followed.

  • The family had been duly prepared for this excursion by several smaller ones.

    White Lies Charles Reade
  • She returns, however, is duly arrested, and the second "picture" shows her in prison.

    Modernities Horace Barnett Samuel
British Dictionary definitions for duly


in a proper or fitting manner
at the proper time; punctually
Word Origin
C14: see due, -ly²
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for duly

late 14c., duweliche "rightly, properly," from dewe "due" (see due) + -liche (see -ly (2)).

Online Etymology Dictionary, © 2010 Douglas Harper
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