prolonging, present participle; prolonged, past tense; prolongs, 3rd person singular present; prolonged, past participle;
Extend the duration of
an idea that prolonged the life of the engine by many years
Extend in spatial length
the line of his lips was prolonged in a short red scar
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"
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"
(prolonged) drawn-out: 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"
(prolonged) elongated: 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"
To extend in space or length; To lengthen in time; to extend the duration of; to draw out; to continue; To lengthen temporally; to put off to a distant time; to postpone
"Prolonged" means that your disability is likely to be long term and of indefinite duration, or is likely to result in death. This is described in the Canada Pension Plan legislation under paragraphs 42(2)(a) and 42(2)(b).