Always present; always there
An athlete who is present in every contest.
Attached; affixed.
Of sound, recorded on a permanent medium.
Resolved; corrected.
Surgically rendered infertile (spayed, neutered or castrated).
Not changing, not able to be changed, staying the same.
Repaired
Chemically stable.
Supplied with what one needs.
Stationary.
Rigged; fraudulently prearranged.