plumb
- adjective
- /plʌm/
- The walls were not Plumb, so I had to add MDF panels to create the sides of the wardrobe.
- perfectly plumb
- plumb and square
- plumb and level
Examples
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These walls will receive several layers of base plaster to flesh them out and make them smoother and flatter and more plumb.
Blog text (20) -
To ensure accuracy, the carpenter double-checked that the door frame was plumb before securing it.
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In my line of work, it's plumb necessary.
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And we're plumb center, right here.
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The architect insisted that all columns must be plumb for the building's structural integrity.
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After adjusting the pipe, the technician confirmed it was plumb using a level.
Synonyms
Antonyms
Compounds
- Specialized
A tool with a hanging string and a bubble level to check vertical or horizontal lines
- Specialized
A straight narrow board with a hanging weight used to check if a wall is perfectly vertical
How Vertical
Surface Forms
Etymology
Plumb meaning 'exactly vertical' comes from the plumb line with a plumbum 'lead' weight that hangs perfectly straight down. So when a post is 'plumb' it means it is exactly upright.