noun which may take the genitive case particle 'no', taru-adjective, adverb taking the 'to' particle
burning with ambition; highly ambitious
A yojijukugo describing a person or attitude intensely driven by ambition. Often used with な or の to modify nouns, or with と as an adverbial phrase.
彼は野心満々で、いつか社長になりたいと思っている。
He is burning with ambition and wants to become the company president someday.
野心満々の新人が入社してきた。
A highly ambitious new employee joined the company.
A yojijukugo composed of 野心 (ambition) and 満々 (full of, brimming). The exact historical derivation is uncertain, but it follows a common pattern of combining a noun with a reduplicated adjective-like element.