also: ぬすびとこんじょう
thievish nature; cunning and greedy character
A yojijukugo describing a person's inherent dishonesty, slyness, and greed, often used in a critical or moralistic tone.
I'm disgusted by that man's thievish nature.
His cunning and greedy character is so ingrained that he never changes no matter how many times he's warned.
Similar meaning, but 泥棒 is a more common word for 'thief' than 盗人, making 泥棒根性 slightly more colloquial.
Standard kanji spelling for this yojijukugo.
Alternate reading of the same kanji form; less common than ぬすっとこんじょう.
Compound of 盗人 (thief) and 根性 (nature, spirit). The reading ぬすっと is a euphonic change from ぬすびと.