1. (

• curse ,
• cuss ,
• blaspheme ,
• swear ,
• imprecate

) utter obscenities or profanities; "The drunken men were cursing loudly in the street" ;

2. (

• affirm ,
• verify ,
• assert ,
• avow ,
• aver ,
• swan ,
• swear ,

) to declare or affirm solemnly and formally as true; "Before God I swear I am innocent" ;

3. (

• swear ,

) promise solemnly; take an oath ;

4. (

• swear ,
• depose ,
• depone

) make a deposition; declare under oath ;

5. (

• count ,
• bet ,
• depend ,
• swear ,
• rely ,
• bank ,
• look ,
• calculate ,
• reckon ,

) have faith or confidence in; "you can count on me to help you any time"; "Look to your friends for support"; "You can bet on that!"; "Depend on your family in times of crisis" ;