Open English Wordnet
Nouns
Adjectives
(a)infinite, non-finite, nonfinite(of verbs) not having tense, person, or number (as a participle or gerund or infinitive)“infinite verb form”
(s)countless, infinite, innumerable, innumerous, multitudinous, myriad, numberless, uncounted, unnumberable, unnumbered, unnumerabletoo numerous to be counted“countless hours”, “an infinite number of reasons”, “innumerable difficulties”, “the multitudinous seas”, “myriad stars”