countless

A huge and uncountable number of; too many to count; innumerable.

There are countless stars in the sky.

He endured countless insults hurled at him before people finally respected him for his courage and his great ability as a baseball player.

Synonym of uncountable.

The stars in the sky are countless.

Too large to be counted to.

Just stop and think deeply for a moment and realize the countless number of the grains of sand of the seashore; the countless number of drops of water that go to make up the waters of the earth; […]