| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | unlimited |
| Synonyms: | bountiful, endless, infinite, limitless, never-ending, no end to, numberless |
| Main Entry: | boundless |
| Part of Speech: | adjective |
| Definition: | endless, without limit |
| Synonyms: | great, illimitable, immeasurable, immense, incalculable, indefinite, inexhaustible, infinite, limitless, measureless, no catch, no end of, no end to, no holds barred, no strings, no strings attached, tremendous, unbounded, unconfined, unending, unlimited, untold, vast, wide open |
| Antonyms: | limited, restricted |
| Main Entry: | immeasurable |
| Part of Speech: | adjective |
| Definition: | infinite, incalculable |
| Synonyms: | alive with, bottomless, boundless, countless, crawling with, endless, extensive, illimitable, immense, indefinite, inestimable, inexhaustible, jillion, large, limitless, measureless, no end of, no end to, umpteen, unbounded, uncountable, unfathomable, unlimited, unmeasurable, unreckonable, vast, zillion |
| Antonyms: | bounded, calculable, finite, limited, measurable |
| Main Entry: | indefatigable |
| Part of Speech: | adjective |
| Definition: | untiring |
| Synonyms: | active, assiduous, bound and determined, dead set on, determined, diligent, dogged, energetic, hell-bent, industrious, inexhaustible, ironclad, nose to grindstone, painstaking, patient, persevering, persistent, pertinacious, relentless, sedulous, steadfast, stop at nothing, strenuous, tireless, unfaltering, unflagging, unflinching, unremitting, unwavering, unwearied, unwearying, vigorous |
| Antonyms: | fatigued, tired, weary |
| Main Entry: | indefinite |
| Part of Speech: | adjective |
| Definition: | ambiguous, vague |
| Synonyms: | broad, confused, doubtful, dubious, equivocal, evasive, general, ill-defined, imprecise, indeterminable, indeterminate, indistinct, inexact, inexhaustible, infinite, innumerable, intangible, loose, obscure, shadowy, uncertain, unclear, undefined, undependable, undetermined, unfixed, unknown, unlimited, unsettled, unspecific, unsure, wide |
| Antonyms: | certain, definite, distinct, sure |
| Main Entry: | infinite |
| Part of Speech: | adjective |
| Definition: | limitless, without end |
| Synonyms: | absolute, all-embracing, bottomless, boundless, enduring, enormous, eternal, everlasting, illimitable, immeasurable, immense, incalculable, incessant, inestimable, inexhaustible, interminable, measureless, million, never-ending, no end of, no end to, numberless, perdurable, perpetual, sempiternal, stupendous, supertemporal, supreme, total, unbounded, uncounted, unending, untold, vast, wide, without limit, without number |
| Antonyms: | bounded, calculable, confined, countable, definite, ephemeral, finite, fleeting, limited, measurable |
| Main Entry: | lasting |
| Part of Speech: | adjective |
| Definition: | enduring, unending |
| Synonyms: | abiding, constant, continual, continuing, deep-rooted, durable, endless, eternal, everlasting, forever, in for the long haul, incessant, indelible, indissoluble, inexhaustible, inexpungible, lifelong, long-term, longstanding, old, perdurable, perennial, permanent, perpetual, persisting, stable, till the cows come home, unceasing, undying, unremitting |
| Antonyms: | ceasing, ending, ephemeral, fleeting, passing, short-lived, temporary, transient |
| Main Entry: | limitless |
| Part of Speech: | adjective |
| Definition: | never-ending, infinite |
| Synonyms: | bottomless, boundless, countless, endless, illimitable, immeasurable, immense, incomprehensible, indefinite, inexhaustible, innumerable, measureless, no end of, no end to, no holds barred, no strings, numberless, unbounded, uncalculable, undefined, unending, unfathomable, unlimited, untold, vast, wide-open |
| Antonyms: | calculable, ending, exhaustible, finite, limited, measureable |
| Main Entry: | unfailing |
| Part of Speech: | adjective |
| Definition: | certain, unchanging |
| Synonyms: | absolute, assiduous, bottomless, boundless, ceaseless, come-through, consistent, constant, continual, continuing, continuous, counted on, delivering, dependable, diligent, dyed-in-the-wool, endless, eternal, faithful, inexhaustible, infallible, invariable, loyal, never-failing, persistent, reliable, rock solid, same, solid, staunch, steadfast, straight, sure, surefire, there, tried-and-true, true, trustworthy, unflagging, unlimited, unrelenting |
| Antonyms: | failing, impermanent, uncertain, unsure |