What are the comparative and superlative forms of word humble?

The word "humble" is already in its positive form. There isn't a direct comparative or superlative form for "humble" in standard English usage.

However, you can use other words to convey similar meanings:

Comparative:

* More modest

* Less arrogant

* More unassuming

Superlative:

* Most modest

* Least arrogant

* Most unassuming

It's important to note that "humble" itself is often used in a superlative sense due to its meaning. For example, you might say "She is the most humble person I know," even though "humbler" doesn't exist as a word.