never-failing
ADJECTIVE
come through
Synonyms
STRONGEST
STRONG
WEAK
counted-on
ADJECTIVE
firm
Synonyms
STRONGEST
adamant
consistent
determined
explicit
flat
persistent
resolute
specific
stable
staunch
steadfast
steady
strict
strong
tenacious
unflinching
unshakable
unwavering
unyielding
STRONG
abiding
bent
bound
constant
enduring
established
exact
fixed
going
intent
persevering
prevailing
resolved
set
settled
stated
stipulated
true
unbending
WEAK
Antonyms
ADJECTIVE
fixed
Synonyms
Antonyms
STRONGEST
STRONG
WEAK
ADJECTIVE
foolproof
Synonyms
STRONGEST
STRONG
WEAK
ADJECTIVE
steadfast
Synonyms
Antonyms
ADJECTIVE
steady
Synonyms
STRONGEST
STRONG
WEAK
Antonyms
ADJECTIVE
sure
Synonyms
STRONGEST
WEAK
abiding
changeless
constant
convincing
decided
doubtless
enduring
firm
fixed
for a fact
free from doubt
genuine
incontestable
incontrovertible
indisputable
indubitable
persuaded
real
satisfied
set
steadfast
steady
telling
unchangeable
unchanging
uncompromising
undeniable
unequivocal
unfailing
unfaltering
unqualified
unquestionable
unquestioning
unshakable
unshaken
unvarying
unwavering
valid
Antonyms
ADJECTIVE
undoubting
Synonyms
WEAK
abiding
assured
certain
changeless
clear
confident
constant
convinced
convincing
decided
doubtless
enduring
firm
fixed
for a fact
free from doubt
genuine
incontestable
incontrovertible
indisputable
indubitable
persuaded
positive
real
satisfied
set
steadfast
steady
telling
unchangeable
unchanging
uncompromising
undeniable
unequivocal
unfailing
unfaltering
unqualified
unquestionable
unquestioning
unshakable
unshaken
unvarying
unwavering
valid
ADJECTIVE
unfailing
Synonyms
STRONGEST
WEAK
absolute
assiduous
ceaseless
come-through
consistent
constant
continual
continuing
continuous
counted-on
delivering
dependable
diligent
dyed-in-the-wool
endless
faithful
infallible
invariable
loyal
persistent
reliable
rock solid
same
solid
staunch
straight
sure
surefire
there
tried-and-true
true
trustworthy
unlimited
unrelenting
Antonyms
ADJECTIVE
unfaltering
Synonyms
WEAK
abiding
bent on
bound
bound and determined
dead set on
enduring
firm
going all the way
indefatigable
meaning business
mulish
persevering
pigheaded
resolute
set
steady
stiff-necked
stubborn
sure
tireless
unfailing
unflagging
unflappable
unflinching
unqualified
unquestioning
unswerving
untiring
unwavering
wholehearted
Antonyms
ADJECTIVE
unqualified
Synonyms
STRONGEST
WEAK
abiding
blasted
blessed
categorical
certain
clear
complete
confounded
consummate
downright
enduring
entire
explicit
express
firm
flat out
infernal
no catch
no ifs ands or buts
out-and-out
perfect
positive
rank
sheer
simple
steady
sure
thorough
thoroughgoing
total
unadulterated
unfaltering
unlimited
unreserved
unrestrained
unrestricted
utter
wholehearted
without reservation
Antonyms
ADJECTIVE
unwavering
Synonyms
Antonyms
ADJECTIVE
wholehearted
Synonyms
WEAK
abiding
ardent
authentic
bona fide
candid
committed
complete
dedicated
determined
devoted
earnest
emphatic
enduring
enthusiastic
fervent
frank
genuine
heartfelt
hearty
impassioned
passionate
real
serious
steadfast
steady
sure
true
unfaltering
unfeigned
unqualified
unquestioning
unreserved
unstinting
unwavering
warm
whole-hearted
zealous
Antonyms
ADJECTIVE
wholehearted/whole-hearted
Synonyms
WEAK
abiding
ardent
authentic
bona fide
candid
committed
complete
dedicated
determined
devoted
earnest
emphatic
enduring
fervent
frank
genuine
heartfelt
hearty
impassioned
passionate
real
serious
steadfast
steady
sure
true
unfaltering
unfeigned
unqualified
unquestioning
unreserved
unstinting
unwavering
warm
zealous
Antonyms
From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.