Heavy
Heavy adjective - Having great weight.
Usage example: this trunk full of books is much too heavy for one person to lift
Weighty is a synonym for heavy in solid topic. In some cases you can use "Weighty" instead an adjective "Heavy", when it comes to topics like size, difficult, grave, serious. popular alternative
Weighty
Weighty adjective - Having a matter of importance as its topic.
Usage example: interrupted a weighty discussion with a silly question
Heavy is a synonym for weighty in property topic. You can use "Heavy" instead the word "Weighty" as an adjective or a noun, if it concerns topics such as solid, size, grave, serious. popular alternative
Mutual synonyms
Both words in one sentence
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They're all so heavy that they have to be dragged backhanded across the field of battle (this posture also allows the fencers to carry a shield in front of them), and they're weighty enough that they can kill almost any infantry unit in one swing.
Source: BFS
Cite this Source
Weighty and Heavy. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/heavy/weighty
Heavy & Weighty. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/heavy/weighty>.
Weighty or Heavy. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/heavy/weighty.
Google Ngram Viewer shows how "heavy" and "weighty" have occurred on timeline