Synonyms and Antonyms of underpinning

1 an immaterial thing upon which something else rests
  • the underpinnings of the theory have recently been called into question
Synonyms of underpinning
Words Related to underpinning
2 a structure that holds up or serves as a foundation for something else
  • the underpinnings of the bridge were seriously damaged in the collision
Synonyms of underpinning
Words Related to underpinning