To creep, wind, or flow into; to enter gently, slowly, or imperceptibly, as into crevices.
To hint; to suggest tacitly (usually something bad) while avoiding a direct statement.
To ingratiate; to obtain access to or introduce something by subtle, cunning or artful means.
To walk quietly with only the tips of the toes touching the ground.
The tip of the toe.
Standing elevated, on or as if on the tips of one's toes.
Moving carefully, quietly, warily or stealthily, on or as if on the tips of one's toes.