දැඩි
නොසැලෙන
ස්ථීර
adamant
atrox
callous
close
dense
fast
firm
gross
hard
hardy
inflexible
iron
manful
resistant
resolute
rigid
rooted
rough
severe
stable
staunch
steady
steely
stern
stony
strait-laced
strict
stringent
strong
stubborn
substantial
tough
unbending
unmoved
unwavering
abiding
absolute
assured
binding
certain
cocksure
cogent
confirmative
confirmed
consistent
constant
decided
decisive
fixed
indomitable
inexorable
lasting
leal
measured
permanent
regular
solid
sound
uncompromising
unshakeable
unswerving
valid
