RichThesaurus
hardness
hardness
synonyms
harshness
severity
stiffness
rigor
inclemency
rigorousness
rigourousness
rigour
severeness
rigidity
inflexibility
firmness
callosity
callousness
toughness
unfeelingness
insensibility
sternness
cruelty
difficulty
solidity
strictness
stringency
density
compactness
relentlessness
resistance
austerity
ruggedness
savagery
inelasticity
despotism
grimness
suffering
temper
obduracy
unkindness
brutality
asperity
denseness
torment
tribulation
vigor
traditionalism
viscosity
iron hand
inhumanity
suppleness
punctiliousness
solemnity
more synonyms
hardness
antonyms
leniency
weakness
facility
simplicity
resource
spontaneity
smooth sailing
kindness
mollitude
joy
turn
poise
meekness
tool
mildness
means
propensity
pliability
material
tact
lightness
leaning
quickness
proficiency
skill
opportunity
knack
readiness
laxness
mildness
smoothness
skillfulness
wit
adroitness
bent
fitting
ease
child’s play
elasticity
effortlessness
aid
aptitude
expertness
happiness
compassion
appliance
efficiency
accommodation
calmness
comfort
more antonyms