Find another word for number-one. In this page you can discover 27 synonyms, antonyms, idiomatic expressions, and related words for number-one, like: numero-uno, i, me, yourself, myself, himself, herself, myself, front-runner, leader and capital.
To me, that's problem number one.
He has to do that, or he'd be in violation of rule number one.
Somewhere along the line, you found Gabe and forced him to work for you as your number one assassin.
It seems there's some confusion on how son number one died.