noun, noun which may take the genitive case particle 'no'
error-free; without mistakes
Wasei-eigo from English 'no miss'. Used especially in performances, sports, or work to describe a flawless execution.
wasei-eigo (Japanese-coined English), from no miss
今日のプレゼンはノーミスだった。
Today's presentation was error-free.
彼はノーミスの演奏を披露した。
He gave a flawless performance.