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What is another word for unfailing?

Need synonyms for unfailing? Here's a list of similar words from our thesaurus that you can use instead.

Contexts ▼

Reliable or constant

Indefatigable or extremely persistent

Remaining constant or in an unvarying state

Incapable of making mistakes or being wrong

Being a person of good repute and character

Without bounds or unlimited

Reliable and unfailing

Absolute or unmitigated

Stubbornly, and usually unreasonably, holding to an opinion, decision or purpose

Perfect in one's character or morals

Treated or regarded with a devotion and scrupulousness appropriate to worship

Certain to happen

… more ▼

Adjective

Reliable or constant

dyed-in-the-wool

tried and tested

incontrovertible

high-principled

to be counted on

straightforward

tried and trusted

likely to perform

as thick as thieves

capable of being trusted

put to the test

absolutely certain

copper-bottomed

always effective

carrying the load

good as one's word

as sure as eggs is eggs

more ❯

“It is the unfailing or steadfast quality of God's love that explains his enduring commitment to his people in the Hebrew Bible.”

Adjective

Indefatigable or extremely persistent

full of determination

bound and determined

meaning business

stop at nothing

dyed-in-the-wool

committed to the idea of

on one's mettle

not discouraged

tall in the saddle

as game as Ned Kelly

keen as mustard

nose to grindstone

through-and-through

playing hard ball

be out for blood

nose to the grindstone

intensely competitive

fiercely competitive

having killer instinct

self-opinionated

hundred percent

without reservations

sticking to one's guns

hold your ground

standing one's ground

more ❯

Adjective

Remaining constant or in an unvarying state

round-the-clock

around-the-clock

without respite

inextinguishable

round the clock

standardized^US

standardised^UK

on an even keel

like the Rock of Gibralter

black-and-white

without a break

for ever and ever

without surcease

undistinguishable

indistinguishable

of the same kind

without stopping

much of a muchness

well-proportioned

more ❯

Adjective

Incapable of making mistakes or being wrong

more ❯

Adjective

Being a person of good repute and character

worthy of trust

full of integrity

above suspicion

tried and tested

tried and trusted

as good as one's word

capable of being trusted

more ❯

Adjective

Without bounds or unlimited

no holds barred

no strings attached

incomprehensible

round-the-clock

self-perpetuating

an incalculable number of

an infinite number of

too many to be counted

thick on the ground

a thousand and one

thousand-and-one

with no holds barred

a multiplicity of

infinite numbers of

a great deal of

a great number of

an abundance of

more than one can count

more … than one can shake a stick at

more ❯

Adjective

Reliable and unfailing

tried and tested

as thick as thieves

dyed-in-the-wool

thick as thieves

high-principled

through and through

tried and trusted

straightforward

on top of each other

capable of being trusted

as keen as mustard

true to the end

worthy of trust

above suspicion

full of integrity

as good as one's word

well-engineered

put to the test

on the up and up

well engineered

copper-bottomed

carrying the load

to be counted on

good as one's word

through-and-through

bred-in-the-bone

joined at the hip

in each other's pocket

having both feet on the ground

full of common sense

self-restrained

long-established

well-established

keen as mustard

deeply ingrained

well established

firmly established

string along with

dyed-in-the wool

not giving an inch

hundred percent

without reservations

more ❯

Adjective

Absolute or unmitigated

through and through

dyed-in-the-wool

in every respect

without reservations

no ifs ands or buts

no holds barred

without reservation

through-and-through

rightly so called

with no strings

straightforward

straight-from-the-shoulder

no strings attached

one-hundred percent

straight from the shoulder

well-established

hundred percent

all-encompassing

stick out like sore thumb

nothing other than

without qualification

without reserve

recognizable^US

root-and-branch

recognisable^UK

as clear as day

encyclopedic^US

as plain as a pikestaff

encyclopaedic^UK

standing out a mile

sticking out a mile

standing out like a sore thumb

sticking out like a sore thumb

pure and simple

overextravagant

out of proportion

with no holds barred

self-perpetuating

more ❯

Adjective

Stubbornly, and usually unreasonably, holding to an opinion, decision or purpose

unimpressionable

self-opinionated

set in concrete

sticking to one's guns

stubborn as a mule

dyed-in-the-wool

full of determination

unaccommodating

tried and tested

meaning business

as stubborn as a mule

not giving an inch

through and through

with a will of one's own

determined to have one's own way

set in one's ways

tough nut to crack

standing one's ground

through-and-through

bound and determined

uncompassionate

in for long haul

set in your ways

solid as a rock

proof against persuasion

committed to the idea of

tall in the saddle

on one's mettle

hold your ground

with one's feet dug in

with one's toes dug in

playing hard ball

be out for blood

nose to the grindstone

unreciprocating

not cooperative

bred-in-the-bone

pulling no punches

as game as Ned Kelly

stop at nothing

not backward in coming forward

full of get-up-and-go

clearly defined

having killer instinct

single-minded about

nose to grindstone

keen as mustard

action-oriented

meaning what one says

obsessive about

inflexible about

fanatical about

not discouraged

insistent about

intensely competitive

fiercely competitive

like a ball of fire

black-and-white

desiring success

tough as old boots

unchallengeable

as tough as old boots

with one's shoulder to the wheel

with one's nose to the grindstone

not subject to change

spoiling for a fight

ready for action

hundred percent

without reservations

confrontational

high-principled

alive and kicking

bright-eyed and bushy-tailed

full of the joys of spring

full of vim and vigour

bright and breezy

have a bone to pick

have chip on shoulder

more ❯

Adjective

Perfect in one's character or morals

whiter than white

as pure as the driven snow

innocent as a lamb

salt of the earth

more ❯

Adjective

Treated or regarded with a devotion and scrupulousness appropriate to worship

Adjective

Certain to happen

to be anticipated

without recourse

bound to happen

no ifs ands or buts

certain to happen

just around the corner

about to happen

in the pipeline

like death and taxes

out of one's hands

decided by fate

mapped out in advance

in the course of time

fast approaching

fast-approaching

written in the cards

just round the corner

handwriting-on-the-wall

way the ball bounces

established in advance

arranged in advance

decided beforehand

pre-established

more ❯

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What is the opposite of unfailing?
Sentences with the word unfailing
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Nearby Words

unfair advantage

unfair assessment

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