boss tähendus null.

boss▼◼◼◼[UK: bɒs] [US: ˈbɒs]

chief▼◼◼◻[UK: tʃiːf] [US: ˈtʃiːf]

mugwump▼[UK: ˈmʌ.ɡwʌmp] [US: ˈmʌ.ɡwʌmp]

leader [leaders]▼◼◻◻noun
[UK: ˈliː.də(r)] [US: ˈliː.dər]