No definitions found for 'on the mark'
Perhaps one of these:
on demand,
on time,
ontonagon,
one-dimensionality,
ondoyant,
on the mend,
one-dimensional language,
one-dimensional,
onetime,
on the one hand,
ondometer,
one-ten-thousandth,
on the wing,
on the wane,
one time programmable read-only memory,
one time,
ounding,
ointing,
one-tenth,
on the move,
owenton, ky,
oneida, ny,
on the nail,
on the make,
oenothionic,
one-time,
ondine,
ommateum,
ointment,
omitting,
on the neck of,
omittance,
on the nose,
on the wings of the wind,
on the wind,
on tenterhooks,
ontonagon, mi,
one-time password,
one-to-one,
ontonagon county,
ontonagon county, mi,
owenton