Synonyms of limitless

1 Syllable

vast

2 Syllables

countless, piler, spacious, vaster, stacker, pecker, full-out, spread-out, untold, heaper, boundless, endless, vastest

3 Syllables

uncrowded, overmuch, wide-open, plethoric, unbounded, bottomless, long-drawn-out, stretched-out, immense, numberless, unending

4 Syllables

excessive, unlimited, undefined, measureless, everlasting, diffusive, renewable

5 Syllables

unfathomable, uncalculable, self-perpetuating, overabundant, recrementitious, immeasurable, illimitable, interminable, inexhaustible, innumerable, indefinite

6 Syllables

incomprehensible