What does brotherhood mean?
Brotherhood refers to the bond of affection, loyalty, and mutual responsibility that unites brothers, extended by analogy to any deep solidarity among people. It can describe a literal family tie, the camaraderie felt by those who have shared hardship — soldiers, athletes, first responders — or a formal association such as a religious order, labor union, or fraternal society. The word carries warm, idealistic connotations, evoking trust, sacrifice, and standing by one another. Expressions like "the brotherhood of man" elevate it further into a vision of universal human kinship, though this usage can sound rhetorical or dated to modern ears. Because it blends emotional intimacy with institutional meaning, brotherhood is a versatile word: intimate enough to describe two siblings, broad enough to name an international movement. Its enduring appeal lies in suggesting that the devotion we owe our closest kin can, at its best, reach outward to strangers.
nounThe state or quality of being brothers, or of having the close bond and mutual loyalty associated with brothers. It also denotes an organized association of men united for a common purpose, such as a trade union or fraternal society.
- The relationship or bond between brothers; the quality of treating others with the loyalty and affection of a sibling.
- An organized association or society of men united for a common purpose, especially a religious order, trade union, or fraternal group.
- A feeling of solidarity and mutual support among a group of people who share an experience, profession, or cause.
"The soldiers spoke of a brotherhood forged in shared hardship."
"The veterans gathered each year to celebrate a brotherhood that no distance could weaken."
"She joined the brotherhood of scholars dedicated to preserving ancient manuscripts."
The plural is uncommon but legitimate when referring to multiple distinct organizations or associations.
"Monastic brotherhoods across Europe preserved classical texts through the Middle Ages."
When three firefighters died in the 9/11 attacks, their comrades didn't just mourn them — they invoked 'the Brotherhood,' a word older than most nations, to describe a loyalty deeper than friendship.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of brotherhood
Brotherhood derives from the Old English noun 'brōþor' (brother) combined with the suffix '-hōd' (state or condition), which also appears in 'manhood' and 'priesthood.' The word has been part of English since its earliest recorded periods, reflecting the Germanic roots of the language rather than borrowing from Latin or French. Cognate formations appear throughout the Germanic language family, such as Dutch 'broederschap' and German 'Bruderschaft.'
Related word forms
How brotherhood is actually used
Register is generally neutral-to-formal; 'brotherhood' often carries warm, idealistic connotations of solidarity and loyalty. In some contexts it is gender-specific in implication, though it can describe mixed groups metaphorically. Phrases like 'the brotherhood of man' carry a slightly elevated, sometimes rhetorical tone.
Easily confused with brotherhood
Fraternity typically refers to a formal organization (especially a college society) or friendly fellowship, while brotherhood emphasizes the familial bond of brothers or a close-knit male association.
Brotherly is an adjective describing behavior characteristic of a brother, whereas brotherhood is the noun denoting the bond or association itself.