first-string
AdjectiveWordNet 3.0
Adjective (2)
- of members of a team; not substitutes
- being a regular member of a team“first-string players”
Webster's Dictionary (GCIDE)
first-string \first-string\ adj. First to play in a game; not reserved as a substitute; -- of members of a team. Also used in non-sports contexts to mean first-rate. [WordNet 1.5 +PJC]