1. (

• heaviness ,
• weightiness

) the property of being comparatively great in weight; "the heaviness of lead" ;

2. (

• heaviness

) persisting sadness; "nothing lifted the heaviness of her heart after her loss" ;

3. (

• ponderousness ,
• heaviness ,

) an oppressive quality that is laborious and solemn and lacks grace or fluency; "a book so serious that it sometimes subsided into ponderousness"; "his lectures tend to heaviness and repetition" ;

4. (

• thickness ,
• heaviness ,

) used of a line or mark ;

5. (

• burdensomeness ,
• heaviness ,
• onerousness ,
• oppressiveness

) unwelcome burdensome difficulty ;