idle
adjectiveUK /ˈaɪ.dəl/
US /ˈaɪ.dəl/
Not doing anything or not working.
The car sat idle in the driveway all day.
SYNONYMS
RELATED WORDS
OTHER MEANINGS
2. Not being used or in operation.
The factory machines stood idle during the holiday.
3. To spend time doing nothing.
They idled away the afternoon by the river.
4. Having no real purpose or effect.
It was just idle talk, so don't worry about it.