Synonyms of underpin
- 1. underpin, hold, support, sustain, hold up
- usage: support from beneath
- 2. corroborate, underpin, bear out, support, match, fit, correspond, check, jibe, gibe, tally, agree
- usage: support with evidence or authority or make more certain or confirm; "The stories and claims were born out by the evidence"
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Definition and meaning of underpin (Dictionary)