RichThesaurus
adamantine
adamantine
synonyms
adamant
unyielding
inexorable
inflexible
hard
firm
rigid
unbending
unbreakable
resistant
solid
steely
stony
intransigent
stiff
uncompromising
dense
obdurate
iron
relentless
tough
set
unrelenting
implacable
indestructible
harsh
shatterproof
strong
impenetrable
compressed
compacted
callous
infrangible
nonbreakable
flinty
sturdy
merciless
stout
single-minded
fixed
everlasting
severe
immovable
durable
toughened
hardened
unforgiving
indurate
unsympathetic
compact
more synonyms
adamantine
antonyms
soft
flexible
yielding
fragile
pliable
pliant
weak
lenient
moldable
sympathetic
malleable
limber
willing
delicate
flimsy
ephemeral
friendly
tender
merciful
spongy
remorseful
supple
reasonable
kind
bending
breakable
cushiony