1. (

• persevere ,
• persist ,
• hang_in ,
• hang_on ,
• hold_on

) be persistent, refuse to stop; "he persisted to call me every night"; "The child persisted and kept asking questions" ;

1. (

• diligent ,
• persevering

) quietly and steadily persevering especially in detail or exactness; "a diligent (or patient) worker"; "with persevering (or patient) industry she revived the failing business" ;