"mercenary" in the noun sense
1. mercenary, soldier of fortune
a person hired to fight for another country than their own
"mercenary" in the adjective sense
1. materialistic, mercenary, worldly-minded
marked by materialism
2. mercenary, free-lance, freelance
serving for wages in a foreign army
"mercenary killers"
3. mercantile, mercenary, moneymaking
profit oriented
"a commercial book"
"preached a mercantile and militant patriotism"- John Buchan
"a mercenary enterprise"
"a moneymaking business"
Source: WordNet® (An amazing lexical database of English)
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