adjective, weak·li·er, weak·li·est.

weak or feeble in constitution; not robust; sickly.


in a weak manner.

Origin of weakly

First recorded in 1350–1400, weakly is from the Middle English word weekely. See weak, -ly
Related formsweak·li·ness, noun

Synonyms for weakly

1. See weak.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for weakly

Contemporary Examples of weakly

Historical Examples of weakly

  • Uncle Peter weakly waved the hand of finished discouragement.

    The Spenders

    Harry Leon Wilson

  • He was not moping—only weakly and even when looking a little sad, was quite happy.

    Weighed and Wanting

    George MacDonald

  • "I—I thought you did it just for a joke," said the Little Doctor, weakly.

  • Jacob followed her into the sick-room, and Adam weakly shuffled in behind.

    Tiverton Tales

    Alice Brown

  • "We'll be there in fifteen minutes," murmured Leonard weakly.

British Dictionary definitions for weakly


adjective -lier or -liest

sickly; feeble


in a weak or feeble manner
Derived Formsweakliness, noun
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