bromide

noun

1. 1

   A binary compound of bromine and some other element or radical.

2. 2

   A dose of bromide taken as a sedative, or to reduce sexual appetite.

3. 3

   (by extension) A dull person with conventional thoughts.

   “My adviser at college was a bromide who had not had an original thought in years.”

4. 4

   A platitude.

   “We hoped the speech would include reassurances, but instead it was merely one bromide after another.”

5. 5

   A print made on bromide paper.