weighty

Adjective

• excessively fat
  • a weighty man
    

• weighing heavily on the spirit; causing anxiety or worry
  • weighty problems
    

• of great gravity or crucial import; requiring serious thought
  • grave responsibilities
    
  • faced a grave decision in a time of crisis
    
  • a grievous fault
    
  • heavy matters of state
    
  • the weighty matters to be discussed at the peace conference
    

• powerfully persuasive
  • a cogent argument
    
  • a telling presentation
    
  • a weighty argument
    

• having relatively great weight; heavy
  • a weighty load
    
  • a weighty package
    

Related words

• Synonyms: 
  corpulent , obese , rotund , grave , grievous , heavy , cogent , telling