Weighty superl. : Having weight; heavy; ponderous; as, a weighty body.

Weighty superl. : Adapted to turn the balance in the mind, or to convince; important; forcible; serious; momentous.

Weighty superl. : Rigorous; severe; afflictive.

Example:
What is the best diet to take to shade Weighty and fatty body?

Taxonomy
Merriam-Webster Online Dictionary, Dictionary, webster, Word Games, Webster Online Dictionary with audio pronunciations, thesaurus, Google Search, Custom Search, glossary, english, language, ESL, Search, adjective, Inflected, 15th century, consequence, weighty problem.

Defination from the web:
weighty from the Merriam-Webster Online Dictionary with audio pronunciations, thesaurus, Word of the Day, and word games. ... consequence : momentous <a weighty problem> b : solemn. 2 a : weighing a considerable amount b : heavy in proportion to its bulk <weighty metal> ...