Godan verb with 'su' ending, Transitive verb
to blur; to shade off; to gradate
Usually written using kana alone
海綿は水を吸収しますので水彩絵具をぼかしたりする時に便利です。Sponge absorbs water so it is convenient for shading water-colours and such. to obscure; to make ambiguous
Usually written using kana alone
Also written 暈かす【ぼかす】