Synonyms for Junior-grade:

• adj.

  •all (adjective)
  • junior-grade.

• n.

  •junior-grade (noun)
  • subordinate,
  • lower,
  • inferior,
  • junior.
  •Other relevant words: (noun)
  • lowly,
  • lower-ranking,
  • secondary,
  • subaltern,
  • petty.

• Other synonyms:

  •officer
  • lieutenant.
  •Other relevant words (noun):
  • low,
  • niggling,
  • modest,
  • menial,
  • baseborn,
  • little,
  • piddling,
  • trivial.

Antonyms for Junior-grade:

• adj.

  • Other antonyms:
    senior.