junior-grade

Từ điển WordNet v3.1 - WordNet Dictionary

adjective

inferior in rank or status (Freq. 1)
- the junior faculty
- a lowly corporal
- petty officialdom
- a subordinate functionary
• Syn:
lower-ranking, lowly, petty, secondary, subaltern
• Similar to:
junior
• Derivationally related forms:
subaltern (for: subaltern), pettiness (for: petty)