1. (

• discontinue ,
• stop ,
• cease ,
• give_up ,
• quit ,
• lay_off

) put an end to a state or an activity; "Quit teasing your little brother" ;

2. (

• discontinue ,

) come to or be at an end; "the support from our sponsoring agency will discontinue after March 31" ;

3. (

• break ,
• break_off ,
• discontinue ,
• stop ,

) prevent completion; "stop the project"; "break off the negotiations" ;