brother

/ˈbrʌðər/

/ˈbrʌðə/

Other forms: brothers

Definitions of brother

1. noun

   a male with the same parents as someone else
   “my brother still lives with our parents”

   synonyms: blood brother

   antonyms:

   sister

   a female person who has the same parents as another person

   types:

   big brother

   an older brother

   little brother

   a younger brother

   half brother, half-brother, stepbrother

   a brother who has only one parent in common with you

   type of:

   male sibling

   a sibling who is male
2. noun

   a close friend who accompanies his buddies in their activities
   synonyms: buddy, chum, crony, pal, sidekick

   types:

   cobber

   Australian term for a pal

   type of:

   friend

   a person you know well and regard with affection and trust
3. noun

   a male person who is a fellow member (of a fraternity or religion or other group)
   “none of his brothers would betray him”

   types:

   Freemason, Mason

   a member of a widespread secret fraternal order pledged to mutual assistance and brotherly love

   Knight Templar

   a man who belongs to a Masonic order in the United States

   type of:

   fellow member, member

   one of the persons who compose a social group (especially individuals who have joined and participate in a group organization)
4. noun

   used as a term of address for those male persons engaged in the same movement
   synonyms: comrade

   type of:

   friend

   a person you know well and regard with affection and trust