As a noun bro
is brother; a male sibling.
As an abbreviation Mr is
an abbreviation of mister, a title used before the surname in theory, though not generally in practice, above some undefined social level, too old to be addressed as “Master”, not a knight or of some higher rank, and, in Britain though not in the United States, not entitled to be addressed as “Dr”.
bro
Noun
(
en noun)
(slang) brother; a male sibling
(slang) brother; a male comrade or friend; one who shares one’s ideals.
(slang) brother; an African-American.
(slang) brother; (used to address a male)
(slang) a fratboy or someone that espouses the fraternity bro culture
Derived terms
* brosef
* bromance
* brony
* cool story bro
* ladybro
* newbro
Anagrams
*
mr
Translingual
(Mr)
(relative molecular mass)