Synonyms of underlie

underlie

verb

1

as in to support

to lie underneath

A layer of rock underlies the topsoil.

Synonyms & Similar Words

• support
• steady
• uphold
• carry
• underpin
• sustain
• bolster
• undergird
• stay
• truss
• bear
• buttress
• brace
• prop (up)
• shore (up)

2

as in to establish

to form the basis or foundation of (something, such as an idea)

The assumption that underlies their argument is faulty.

Synonyms & Similar Words

• establish
• ground
• establish
• reinforce
• support
• contribute (to)
• base
• rest
• predicate
• bolster
• corroborate
• prove
• confirm
• verify
• affirm
• buttress
• reenforce
• found
• substantiate
• hang
• conduce (to)
• validate
• back
• presuppose
• shore (up)
• postulate
• presume
• suppose
• assume
• premise
• avouch

Antonyms & Near Antonyms

• undermine
• weaken
• undercut

• undermine
• weaken
• undercut