boundless,
unbounded,
limitless seemingly boundless in amount, number, degree, or especially extent; "unbounded enthusiasm"; "children with boundless energy"; "a limitless supply of money"
sempiternal,
dateless,
endless unaffected by time; "few characters are so dateless as Hamlet"; "Helen's timeless beauty"
endless having the ends united so as to form a continuous whole; "an endless chain"
infinite -
total and all-embracing; "God's infinite wisdom"
absolute perfect or complete or pure; "absolute loyalty"; "absolute silence"; "absolute truth"; "absolute alcohol"
infinite -
of verbs; having neither person nor number nor mood (as a participle or gerund or infinitive); "infinite verb form"
grammar the branch of linguistics that deals with syntax and morphology (and sometimes also deals with semantics)
infinite -
too numerous to be counted; "incalculable riches"; "countless hours"; "an infinite number of reasons"; "innumerable difficulties"; "the multitudinous seas"; "myriad stars"; "untold thousands"
