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[wey-tee] /ˈweɪ ti/
adjective, weightier, weightiest.
having considerable weight; heavy; ponderous:
a weighty bundle.
burdensome or troublesome:
the weightier cares of sovereignty.
important or momentous:
weighty negotiations.
having or exerting influence, power, etc.; influential:
a weighty merchant of Boston.
Origin of weighty
First recorded in 1480-90; See origin at weight, -y1
Related forms
weightily, adverb
weightiness, noun
unweighty, adjective
3. significant, serious, grave, consequential. See heavy.
1, 3. light. 3. unimportant. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for weighty
Contemporary Examples
Historical Examples
  • This may seem strange to mere nature, but such is the solemn and weighty truth of God.

    Life and Times of David Charles Henry Mackintosh
  • Then, instead of referring to any thing which she had said, he put one of weighty import.

    Earl Hubert's Daughter Emily Sarah Holt
  • Was it wise to trust such a weighty matter to one who owed no allegiance to the Czernovese government?

    The Shadow of the Czar John R. Carling
  • But how did so clumsy and weighty a mass as that same hook get fixed in that hole?

    Moby Dick; or The Whale Herman Melville
  • False doctrine, if it be in weighty, practical points, is the pernicious plague of souls and nations.

British Dictionary definitions for weighty


adjective weightier, weightiest
having great weight
important or momentous
causing anxiety or worry
Derived Forms
weightily, adverb
weightiness, 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
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Word Origin and History for weighty

"important, serious, grave," late 15c., from weight + -y (2).

Online Etymology Dictionary, © 2010 Douglas Harper
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