Like some blackboards, 8 letters
Still on the board, 8 letters
Having poor posture, 7 letters
Slouched over, e.g., 7 letters
Slouching, 7 letters
Not worn away, 8 letters
Not worn down, 8 letters
Far from X-rated, 8 letters
Union requirement, maybe?, 5 letters
Consistently accurate, 8 letters
Dead accurate, 8 letters
Faultless, 8 letters
Perfect, 8 letters
Precise, 8 letters
Right on the mark, 8 letters
Without fail, 10 letters