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mullion Synonyms
Another word for mullion
Looking for synonyms for mullion? Sourced from our comprehensive thesaurus, here is a list of similar words and another word for mullion, organized by relevance and context.
• noun (Context 1)
A heavy vertical bar or structural member that separates adjacent window units, screens, or doors.
Usage Example
"The ancient gothic cathedral featured towering stained-glass windows divided by intricately carved stone mullions."
Strong
divider
upright
stanchion
Weak
pier
• verb (Context 2)
To provide or divide an architectural opening, such as a window, with vertical structural bars.
Usage Example
"The architect decided to divide the expansive glass facade to provide both aesthetic rhythm and essential structural support."
Strong
divide
Weak
partition
Cite this Entry
Wordmom. (2026). Synonyms for Mullion. In Wordmom Thesaurus. Retrieved Oct 14, 2026, from https://wordmom.com/synonyms/mullion