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Verb: prolong  pru'long [N. Amer], pru'lóng [Brit]
  1. Lengthen in time; cause to be or last longer
    "We prolonged our stay";
    - protract, extend, draw out
     
  2. Lengthen or extend in duration or space
    "prolong the treatment of the patient";
    - sustain, keep up

Derived forms: prolongs, prolonging, prolonged

Type of: bear on, carry on, continue, lengthen, preserve, uphold

Nearest

prolixly
prolixness
prolly
prolocutor
Prolog
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prologize
prologue
prologuise
prologuize
prolong
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prolonge
prolonge knot
prolonged
prolonged interrogation
prolusion
prolusory
prom
PROM
promenade