slack-handed

Done with hands or wrists that are slack. / Idly or carelessly.

Japanese Meaning

手や手首に力が入っていない状態で行うさま。 / 怠惰または不注意に行うさま。

The pianist played slack-handed, and the recital suffered from a loose, uninspired tone.

ピアニストは手首がゆるんだ状態で演奏し、そのリサイタルはだらりとして精彩を欠いた音になった。

Sense（1）

Done with hands or wrists that are slack.

No less stunned, I stood there, too, slack-handed, empty of thought.

Sense（2）

Idly or carelessly.

Yet they sit slack-handed, doing nothing about it, unable to agree even among themselves.

more slack-handed

（ comparative ）

most slack-handed

（ superlative ）