What does "numberless" mean?

Without number; having too many to count.

What is a synonym for "numberless"?

Common synonyms include: countless, innumerable, unnumbered, countless, endless, immeasurable.

adj

adj ·Rare ·Advanced level

Adjective

1
Without number; having too many to count. not-comparable
"The stars are as numberless as the grains of sand on a beach."

Adjective

"Indeed monasticism was becoming popular, and the Merovingian period witnessed the foundation of numberless cloisters."

From number + -less.