weighty

[ wey-tee ]
/ ˈweɪ ti /

adjective, weight·i·er, weight·i·est.

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 formsweight·i·ly, adverbweight·i·ness, nounun·weight·y, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for weightiness

British Dictionary definitions for weightiness

weighty

/ (ˈweɪtɪ) /

adjective weightier or weightiest

having great weight
important or momentous
causing anxiety or worry
Derived Formsweightily, adverbweightiness, 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

Word Origin and History for weightiness

weighty


adj.

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

Online Etymology Dictionary, © 2010 Douglas Harper