overhaul - definition and synonyms

verb [transitive] 

Your browser doesn’t support HTML5 audio

/ˌəʊvə(r)ˈhɔːl/
present tense
I/you/we/theyoverhaul
he/she/itoverhauls
present participleoverhauling
past tenseoverhauled
past participleoverhauled
  1. 1
    to take apart and repair a machine in order to make it work better

    The hot-water and drainage systems have to be overhauled.

     Synonyms and related words
    1. a.
      to completely change a system in order to make it work more effectively

      He has promised to overhaul the welfare system.

  2. 2
    to reach a person or vehicle moving in front of you, and then go past them, especially in sports competitions. A more usual word is overtake.