Synonyms and Antonyms of underpinning
an immaterial thing upon which something else rests
- The underpinnings of the theory have recently been called into question.
base, basis, bedrock, bottom, cornerstone, footing, foundation, ground, groundwork, keystone, root, warp, warp and woof
anchorage, bed, brace, bulwark, buttress, framework, infrastructure, mount, prop, shore, stay, substratum, substructure, support
assumption, justification, premise (also premiss), presumption, presupposition, rationale, supposition, theory, thesis, warrant
backbone, center, core, cornerstone, eye, focus, heart, hub, kernel, keystone, nucleus, seat
essence, quintessence, soul, touchstone
a structure that holds up or serves as a foundation for something else
- The underpinnings of the bridge were seriously damaged in the collision.
column, pedestal, pilaster, pillar
arch, bolster, bracket, cantilever, girder
crutch, peg, post, stake, stanchion, stand, stilt, strut, truss
base, foundation, frame