Definitions
1.NounA mate, companion, or associate. .mw-parser-output .defdate{font-size:smaller}
A companion in battle; fellow soldier.
2.NounA companion in battle; fellow soldier.
3.NounA fellow socialist, communist or other similarly politically aligned person."Hello, comrade. Are you going to the Communist Party meeting tonight?"
4.NounA non-hierarchical title, functionally similar to "Mr.", "Mrs.", "Miss", "Ms." etc, in a communist, socialist, or rarely in an Islamist state."Comrade Lenin inspired our people to undertake great works."
5.VerbTo associate with someone in a friendly way.