Noun propping up has 1 sense
  1. shoring, shoring up, propping up - the act of propping up with shores
    --1 is a kind of support, supporting
,Verb prop up has 1 sense
  1. prop up, prop, shore up, shore - support by placing against something solid or rigid; "shore and buttress an old building"
    --1 is one way to hold, support, sustain, hold up
    Sample sentences:
    Somebody ----s something
    Somebody ----s something PP
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