Antonyms:female sibling
Hypernyms:kinsman
Inherited Hypernyms:male siblingkinsmanrelativepersoncausal agentphysical entityentity
Inherited Hypernyms:male siblingkinsmanrelativepersonorganismliving thingwholeobjectphysical entityentity
Direct Hyponyms:blood brotherbrother
Full Hyponyms:
big brotherbrotherlittle brotherstepbrother