Likely to continue; viable.
Current, prevailing.
Available.
Conditions for advancing in any way.
The horizontal distance between the front of one step in a flight of stairs and the front of the next.
The whereabouts (of something).
The suitability of ground for riding, walking etc.
Course of life; behaviour; doings; ways.
Progress.
A departure.
Attending or visiting (a stated event, place, etc.) habitually or regularly.
Unable to move or act; inanimate.
Sluggish or lethargic.
In chemistry, not readily reacting with other elements or compounds.
Having no therapeutic action.
To fill with an inert gas to reduce the risk of explosion.
A substance that does not react chemically.