Also found in: Thesaurus.
Related to ponderosity: platitudinous, vivacious


1. Having great weight: "The new metal ... was denser, more ponderous than gold" (Oliver Sacks).
a. Slow and labored because of great bulk or weight: "The massive turtle ... trudged on resolutely, making good time for such a labored and ponderous gait" (Rick Bass).
b. Difficult to maneuver or control because of great bulk or weight: ponderous luggage.
c. Slow or difficult to manage, especially because of complexity: ponderous legal procedures.
3. Dull and lacking grace or fluency: a ponderous speech. See Synonyms at heavy.

[Middle English, from Old French pondereux, from Latin ponderōsus, from pondus, ponder-, weight; see (s)pen- in Indo-European roots.]

pon′der·ous·ly adv.
pon′der·ous·ness, pon′der·os′i·ty (-ŏs′ĭ-tē) n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.ponderosity - the property of being large in mass
heaviness, weightiness - the property of being comparatively great in weight; "the heaviness of lead"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.


The state or quality of being physically heavy:
Informal: avoirdupois.
The American Heritage® Roget's Thesaurus. Copyright © 2013, 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
References in classic literature ?
In vain handspikes and crows were brought to bear upon the immovable fluke-chains, to pry them adrift from the timber-heads; and so low had the whale now settled that the submerged ends could not be at all approached, while every moment whole tons of ponderosity seemed added to the sinking bulk, and the ship seemed on the point of going over.
He 'will blanch copper so cunningly that it shall endure all proofs but the test: it shall endure malleation, it shall have the ponderosity of Luna, and the tenacity of Luna, by no means friable'; and he invites Sir Petronel to 'Take ars'nic' and to 'sublime him three or four times; then take the sublimate of this realga and put him into a glass, into chymia, and let him have a convenient decoction natural' (4.1.168-70, 174-6).
Consequently, Molodtsov initiated the soft set theory as a completely new approach for modelling vagueness and uncertainty, free from the ponderosity affecting existing methods [20].
"On Immunity is a hothouse flower of a book, self-serious, heavy on the ponderosity....
Increased familial cardiovascular mortality in obese schoolchildren: the Muscatine Ponderosity Family Study.
Input data ponderosity Expert's procedure Extraction of Recognition of the in solving the similarity cases correlation cases problem from database between input-output measures and it learns the network Construction of Easy to build but it Black box.
Berenson, "Effect of body size, ponderosity, and blood pressure on left ventricular growth in children and young adults in the Bogalusa heart study," Circulation, vol.