[syn: unfailing, unflagging]
The Collaborative International Dictionary of English v.0.48:
Unfailing \Un*fail"ing\, a.
Not failing; not liable to fail; inexhaustible; certain;
sure. --Dryden. -- Un*fail"ing*ly, adv. --
Un*fail"ing*ness, n.
[1913 Webster]
WordNet (r) 3.0 (2006):
unfailing
adj 1: not liable to failure; "a foolproof identification
system"; "the unfailing sign of an amateur"; "an
unfailing test" [syn: foolproof, unfailing]
2: always able to supply more; "an unfailing source of good
stories"; "a subject of unfailing interest"
3: unceasing; "unfailing loyalty"; "unfailing good spirits";
"unflagging courtesy" [syn: unfailing, unflagging]
Moby Thesaurus II by Grady Ward, 1.0:
117 Moby Thesaurus words for "unfailing":
abiding, assiduous, calculable, certain, changeless, consistent,
constant, continuing, dependable, devoted, diligent, dogged,
durable, enduring, faithful, faithworthy, fast, firm, fixed,
frozen, immobile, immutable, inalterable, indefatigable,
indomitable, industrious, insistent, intact, invariable,
invincible, inviolate, lasting, loyal, marble-constant,
never-tiring, obstinate, patient, patient as Job, permanent,
perpetual, perseverant, persevering, persistent, persisting,
pertinacious, plodding, plugging, predictable, preoccupied,
quiescent, rapt, relentless, reliable, remaining, resolute, rigid,
secure, sedulous, single-minded, sleepless, slogging, solid, sound,
stable, static, stationary, staunch, staying, steadfast, steady,
stubborn, substantial, sure, surefire, sustained, tenacious,
tireless, torpid, true, true-blue, trustworthy, trusty, unabating,
unaltered, unchangeable, unchanged, unchanging, unchecked,
unconquerable, undaunted, undestroyed, undiscouraged, undrooping,
unfading, unfaltering, unflagging, unflinching, unintermitting,
uninterrupted, unnodding, unrelaxing, unrelenting, unremitting,
unshifting, unsleeping, unswerving, untiring, unvaried, unvarying,
unwavering, unwearied, unwearying, unwinking, utterly attentive,
weariless, well-founded, well-grounded