serving to distinguish or identify a species or group; "the distinguishing mark of the species is its plumage"; "distinctive tribal tattoos"; "we were asked to describe any identifying marks or distinguishing features"
an officer holding a commissioned rank in the United States Navy or the United States Coast Guard; below lieutenant commander and above lieutenant junior grade
a person motivated by irrational enthusiasm (as for a cause); "A fanatic is one who can't change his mind and won't change the subject"--Winston Churchill
marked by excessive enthusiasm for and intense devotion to a cause or idea; "rabid isolationist"
being or from or characteristic of another place or part of the world; "alien customs"; "exotic plants in a greenhouse"; "exotic cuisine"
not contained in or deriving from the essential nature of something; "an economic theory alien to the spirit of capitalism"; "the mysticism so foreign to the French mind and temper"; "jealousy is foreign to her nature"
transfer property or ownership; "The will aliened the property to the heirs"