1) Doing nothing 2) Fish making slow progress 3) Having no employment 4) Idleness 5) In neutral 6) Inactivity 7) Lazing 8) Letting the engine run 9) Loafing 10) Not at work 11) Not going anywhere 12) Running and going nowhere 13) Running in place 14) Running without moving 15) Running, but standing still Found on https://www.crosswordclues.com/clue/idling