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unbrotherly Synonyms
Another word for unbrotherly
Choosing another word for unbrotherly that fits your sentence is easier when synonyms and similar words are paired with an exact adjective definition and ranked by match strength.
• adjective (Context 1)
Not characteristic of or befitting a brother; lacking fraternal affection, kindness, or solidarity.
Usage Example
"Their bitter dispute over the family estate led to years of unfraternal conduct."
Strongest
unfraternal
Strong
unkind
unfriendly
hostile
Weak
antagonistic
Opposites of unbrotherly
The opposite of unbrotherly shifts depending on context. Common opposites include:
brotherly
fraternal
affectionate
friendly
supportive
Cite this Entry
Wordmom. (2026). Synonyms for Unbrotherly. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/unbrotherly