boundary
noun
a line or limit where one thing ends and another begins, or something that indicates such a line or limit.
boundaries
-
pluralof boundary.plural
The grammatical form denoting more than one person, place, thing, or idea.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
“Multiple things can be true at the same time: Yes, boundaries can need to be set, human beings can need a break sometimes,” Grande told fans the next day.
From The Wall Street Journal ● Aug. 6, 2026
The feeling of responsibility is probably rubbing up against your financial and personal boundaries.
From MarketWatch ● Aug. 5, 2026
This is the starting point for deciding the final grade boundaries, which are set at meetings in June and July after marking has been completed.
From BBC ● Aug. 3, 2026
The framework of amorphous interfaces consists of flexible internal boundaries that do not initially have the same orderly crystal structure as the surrounding material.
From Science Daily ● Jul. 31, 2026
The shock was so enormous that I found my own puny fear of exposure melting into a much larger darker terror that seemed to have no boundaries.
From "Jacob Have I Loved" by Katherine Paterson
