I don't want to prolong this definition, so I'll keep it short. To prolong is to make something last longer or to stretch it out in time.

You see the word long in prolong and it's no trick. If you prolong an argument with a sibling, you make it longer than it naturally would be. Prolong always has to do with time. When you stretch your neck or a piece of cloth to make it appear longer, you are elongating, not prolonging, it.

Definitions of prolong
  1. verb
    lengthen in time; cause to be or last longer
    “We prolonged our stay”
    synonyms: draw out, extend, protract
    carry, extend
    continue or extend
    see moresee less
    prolong the time allowed for payment of
    temporise, temporize
    draw out a discussion or process in order to gain time
    spin, spin out
    prolong or extend
    type of:
    elongate, lengthen
    make longer
  2. verb
    lengthen or extend in duration or space
    prolong the treatment of the patient”
    synonyms: keep up, sustain
    see moresee less
    continue, keep, keep on, retain
    allow to remain in a place or position or maintain a property or feature
    type of:
    bear on, carry on, continue, preserve, uphold
    keep or maintain in unaltered condition; cause to remain or last
Word Family

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