unshakable

Mane (Îngilîzî)

1. Not able to be shaken; firm, solid
2. resolute, unfaltering, unwavering
3. (figuratively) Having no errors or loopholes; unassailable

Hevwate

steadfast

firm

unwavering

steady

stiff

unbendable

stable

unassailable

bulletproof

unfaltering

adamantine

watertight

firm and solid

sturdy and indestructible

implicit

impregnable

integral

invincible

perfect

plenary

total

unabridged

undeniable

undeviating

unexpurgated

unfailing

unmitigated

unsurpassed

unswerving

unwaivering

absolute

unexceeded

all-out

clean

complete

consummate

decided

definitive

determined

finished

fixed

flawless

full

immovable

imperturbable

Werger

inébranlable

unerschütterlich

firme

sağlam

inconmovible

sabit

imperturbable

onwankelbaar

onwrikbaar

sólido

imperturbable

irremovibile

inmutable

sarsılmaz

Etîmolojî (Îngilîzî)

From un- + shake + -able.