Is indigent a synonym?

Both are correct.

Synonym means: a word having the same or nearly the same meaning as another in the language. Definition means: the act of defining or making definite, distinct, or clear / the formal statement of the...

The word no can be replaced in some contexts by none, negative, zero, or nothing.

He is a pronoun. The only synonym it has is to use the name of the person it refers to, i.e., "He is short." "John is short."

The identity verb "to be" does not have synonyms as such. ( he/she/it is = third person singular of to be) However, for literary variety, verbs that can sometimes be used in its place are to exist ,...