Impenetrable - synonyms

Total 115 synonym synonyms found for impenetrable.

Greek to one

ambiguous

arcane

beyond reach

beyond understanding

cabalistic

close

close-knit

close-textured

close-woven

closed forever to

closed to

compact

compacted

compressed

concentrated

concrete

condensed

congested

consolidated

crammed

crammed full

crowded

dense

exuberant

firm

flourishing

gluey

gross

hard

heavy

holeproof

impassable

impermeable

impervious

impregnable

inaccessible

inarticulate

incognizable

incoherent

incomprehensible

incontestable

indomitable

inexpugnable

inscrutable

insuperable

invincible

inviolable

invulnerable

irresistible

jam-packed

jammed

jungled

jungly

lost to

lush

luxuriant

massive

mystic

nonporous

nonpuncturable

numinous

out of reach

overgrown

overpowering

overrun

overwhelming

packed

past comprehension

punctureproof

rambling

rank

resistless

riotous

serried

solid

substantial

thick

thick-growing

thickset

un-come-at-able

unaccessible

unaccountable

unapproachable

unassailable

unattainable

unavailable

unbeatable

unconnected

unconquerable

undiscoverable

unfathomable

ungettable

ungraspable

unguessed

unintelligible

unknowable

unobtainable

unpassable

unperforable

unpierceable

unprocurable

unreachable

unsearchable

unsecurable

unsubduable

unsurmountable

unweeded

unyielding

viscid

viscose

viscous

weed-choked

weed-ridden

weedy