noun (n)

• any of the salts of hydrobromic acid; formerly used as a sedative but now generally replaced by safer drugs(noun.substance)

  source: wordnet30
• a trite or obvious remark(noun.communication)

  Synonym:
  banality, cliche, commonplace, platitude
  

  source: wordnet30
• A compound of bromine with a positive radical.(noun)

  source: webster1913
• A person who is conventional and commonplace in his habits of thought and conversation. [Slang](noun)

  source: webster1913