Definition: A material placed underneath something else, often to provide support or cushioning, like felt under a carpet.

Example: The carpet felt much softer with the new underlay beneath it.

Definition: To place something underneath another object for support or to raise it.

Example: The contractor decided to underlay the flooring with a layer of foam for better insulation.

Definition: A material placed underneath flooring to provide support, insulation, or moisture protection.

Example: The contractor installed an underlayment before laying the hardwood floor.

Definition: To reverse an action or change, making it as if it never happened.

Example: I need to undo the last change I made to the document.

Definition: To reverse or erase something that has been done, making it as if it never happened.

Example: I need to undo the last change I made to the document.

Definition: A person or thing that reverses or cancels something that has been done.

Example: The undoer of the mistake quickly fixed the error in the report.

Definition: Not having been drilled or pierced; remaining solid or intact without holes.

Example: The undrilled wood was perfect for the project because it needed to be sturdy.

Definition: To become loose or detached from something that holds it in place.

Example: The button will unfasten when you pull on the string.

Definition: To separate or release something that is fastened or secured.

Example: She had to unfasten her seatbelt before getting out of the car.

Definition: A person or thing that opens or reveals something that was previously folded or hidden.

Example: The unfolder carefully opened the map to show the hidden trails.

Definition: Difficult to manage or use; not easy to handle due to clumsiness or lack of skill.

Example: The unhandy tool made the job much harder than it needed to be.

Definition: To open or release something that is fastened or secured.

Example: She decided to unhasp the latch to open the door.

Definition: To take something off a hook or to release it from being attached.

Example: She decided to unhook the necklace from her neck before going to bed.