weighty


weighty

adjective

Definition of WEIGHTY

1
having a matter of importance as its topic <interrupted a weighty discussion with a silly question>
Synonyms grave, heavy, weighty
Antonyms light, unserious
3
having great weight <lifted the weighty sack and wondered what was in it>
Antonyms light, weightless
5
having power over the minds or behavior of others <one of the weightiest figures in the field of pediatric medicine>

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