noun, plural nin·ja, nin·jas.
- ninhydrin reaction,
- ninja loan,
Origin of ninja
Examples from the Web for ninja
He was gonna join the fight, you know, really he was, got his ninja getup fitted and everything.
She is as confident over the phone as she is climbing across one of Ninja Warriors many daunting obstacles.
Can Kacy Catanzaro be the first woman to win 'American Ninja Warrior'?
At an even five feet tall, Catanzaro is the shortest competitor in this season of Ninja Warrior, but average for a gymnast.