Synonyms of undergird

undergird

verb

as in to sustain

to hold up or serve as a foundation for

the theory of evolution undergirds virtually all of modern biology

Synonyms & Similar Words

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