0 (of habits or ideas) fixed and unable to change: --
The institutions of government have become more ossified and inflexible.
He tried to push liberalizing policies through an ossified bureaucracy.
1 (of body tissue) having become hard and changed into bone: --
We can complete it step by step however long the road is and it can't be completed however short the road is if you don't even mark your footprint.
Можем да го завършим стъпка по стъпка, колкото и дълъг да е пътят и не може да бъде завършен, колкото и кратък да е пътят, ако дори не маркирате отпечатъка си.