Synonyms of underlay

underlay

verb

past tense of underlie

1

as in supported

to lie underneath

A layer of rock underlies the topsoil.

Related Words

• supported
• upheld
• steadied
• carried
• trussed
• underpinned
• bolstered
• sustained
• braced
• buttressed
• bore
• stayed
• undergirded
• propped (up)
• shored (up)

2

as in grounded

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

The assumption that underlies their argument is faulty.

Related Words

• grounded
• established
• based
• reinforced
• supported
• established
• predicated
• contributed (to)
• rested
• bolstered
• buttressed
• backed
• hung
• corroborated
• confirmed
• proved
• affirmed
• conduced (to)
• verified
• validated
• substantiated
• presupposed
• postulated
• founded
• presumed
• shored (up)
• premised
• assumed
• supposed
• avouched

Dissimilar Words

• weakened
• undermined
• undercut

Example Sentences

Recent Examples of underlay

Judge Ruiz ruled Thursday that the second vote cured the problems that underlay her initial block on the deed transfer. — Claire Heddles, Miami Herald, 18 Dec. 2025

Once the human in the loop selects the option the team prefers, the systems can assign tasks to agents that underlay SAP’s assistant. — Meghan Hall, Sourcing Journal, 17 Oct. 2025

This conviction underlay the Victorian workhouses in 19th-century England that Charles Dickens critiqued through his novels. — Colin Gordon, The Conversation, 29 May 2025

There was another story that underlay the peace negotiations, and that was the story of the love between Jimmy and Rosalynn Carter. — Lawrence Wright, The New Yorker, 29 Dec. 2024