Adjectives

(a)unlimited, limitlesshaving no limits in range or scope“to start with a theory of unlimited freedom is to end up with unlimited despotism” (Philip Rahv), “the limitless reaches of outer space”
(s)outright, straight-out, unlimitedwithout reservation or exception
(s)inexhaustible, unlimitedthat cannot be entirely consumed or used up“an inexhaustible supply of coal”