1. (

• prolong ,
• protract ,
• extend ,
• draw_out

) lengthen in time; cause to be or last longer; "We prolonged our stay"; "She extended her visit by another day"; "The meeting was drawn out until midnight" ;

2. (

• prolong ,
• sustain ,
• keep_up

) lengthen or extend in duration or space; "We sustained the diplomatic negotiations as long as possible"; "prolong the treatment of the patient"; "keep up the good work" ;

1. (

• drawn-out ,
• extended ,
• lengthy ,
• prolonged ,
• protracted

) relatively long in duration; tediously protracted; "a drawn-out argument"; "an extended discussion"; "a lengthy visit from her mother-in-law"; "a prolonged and bitter struggle"; "protracted negotiations" ;

2. (

• elongated ,
• extended ,
• lengthened ,
• prolonged

) drawn out or made longer spatially; "Picasso's elongated Don Quixote"; "lengthened skirts are fashionable this year"; "the extended airport runways can accommodate larger planes"; "a prolonged black line across the page" ;