prop up - definition and synonyms

phrasal verb [transitive]
present tense
I/you/we/theyprop up
he/she/itprops up
present participlepropping up
past tensepropped up
past participlepropped up
  1. 1
    to stop something from falling by putting something under it or against it

    The wall was propped up with wooden poles.

    Alice had propped herself up with pillows so she could read in bed.

See also main entry: prop