The term 'in neutral' can be represented by two crossword solutions: IDLE (4 letters) and IDLING (6 letters). The word 'IDLE' is an adjective meaning 'not active or busy; not doing anything'. It is often used to describe someone who is not working or engaging in any activity. The verb 'idling' means to be inactive or to move slowly. It is often used to describe a vehicle that is running but not moving. Both words are related to the concept of being in a state of neutrality, where one is not actively engaged in any activity.