adverb
evenly; uniformly; without unevenness
Describes doing something in a consistent, smooth, and orderly manner, without patches or irregularities. Often used in cooking, painting, or any task requiring uniform application.
生地にバターをムラなく塗ってください。
Spread the butter evenly over the dough.
ペンキをムラなく塗るのは難しい。
It's difficult to apply paint evenly.
Derived from the noun むら (斑, unevenness) + the adverbial negative suffix なく, literally 'without unevenness'.