underpin
/ˌʌn.dɚˈpɪn/ verb C1- To support from below with props or masonry. · You should underpin the mine roof to prevent further collapse.
- To give support to; to form a basis of; to corroborate. · Public confidence in politicians must underpin our democracy.
He/she/it underpins · Past underpinned · Past participle underpinned · -ing form underpinning
Verb forms
- Base form
- underpin
- He/she/it
- underpins
- Past
- underpinned
- Past participle
- underpinned
- -ing form
- underpinning
An irregular verb: learn its past and past participle by heart.
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