unbrotherly

U1N1B3R1O1T1H4E1R1L1Y4

adjective

Not brotherly; not befitting a brother.

OriginEnglish brotherly ← Middle English un- ← Old English un- →
Scrabble 19
Ask AI about this wordChatGPTClaudePerplexityGoogle AIGrok

Meanings

adjectiveunbrotherly (comparative more unbrotherly, superlative most unbrotherly)

comparative more unbrotherly · superlative most unbrotherly

  1. Not brotherly; not befitting a brother.

Synonyms & antonyms

Also see
unfraternal

Origin

  1. Proto-Indo-European*né
  2. Proto-Indo-European*n̥-
  3. Proto-Germanic*un-
  4. Proto-West Germanic*un-
  5. Old Englishun-
  6. Middle Englishun-
  7. Englishun-
  8. Englishbrotherly
  9. Englishunbrotherly

From un- + brotherly.

Full word history & related roots →
Cite this entry
APA

unbrotherly. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/unbrotherly

MLA

“unbrotherly.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/unbrotherly. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “unbrotherly,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/unbrotherly.

Source: unbrotherly on Wiktionary, CC BY-SA 4.0.