adjective
- lowest in position; situated at the bottom
Examples
- The undermost layer of rock contained the oldest fossils.
- She placed the heaviest books on the undermost shelf.
- The undermost drawer was stuck and wouldn’t open.
- Water seeped through to the undermost level of the basement.
- The undermost branches of the tree touched the ground.
- He signed his name on the undermost line of the document.