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Definition of prop up - 1 dictionary result

prop

1[prop] verb, propped, prop⋅ping, noun
–verb (used with object)
1. to support, or prevent from falling, with or as if with a prop (often fol. by up): to prop an old fence; to prop up an unpopular government.
2. to rest (a thing) against a support: He propped his cane against the wall.
3. to support or sustain (often fol. by up).
–noun
4. a stick, rod, pole, beam, or other rigid support.
5. a person or thing serving as a support or stay: His father is his financial prop.

Origin:
1400–50; late ME proppe (n.); c. MD proppe bottle stopper


1. brace, buttress, bolster.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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