Drifting
Drift
noun, verbal noun
Drifting down the stream. Something that is doing this is drifting. It could also be the drift of something.
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.
帆が折れて、ヨットが海に漂流し始めた時は、ちょっと悲観的でしたね。
When the mast broke and my yacht started drifting out to sea, I got a little pessimistic.