adj: impossible to surmount
adj: incapable of being surmounted or excelled; "insuperable odds"; "insuperable heroes"
Length: 11 letters
Scrabble value: 15
Words with Friends value: 20
Literati value: 13
TWL (USA): Found
SOWPODS (UK): Found
insuperable
insurable
nebuliser
subalpine
superable
abseiler
balinese
baseline
bulnesia
espalier
irenaeus
penalise
perilune
perineal
pilsener
pleasure
plebeian
purslane
resupine
reusable
rubiales
sepaline
superbia
supernal
urbanise
abilene
belarus
biplane
breslau
insular
isuprel
laurens
leisure
lesbian
nebular
pauline
persian
perusal
pilsner
pleaser
praline
puerile
realine
realise
relapse
repulse
serbian
spaniel
spirula
upraise
useable
abseil
abuser
airbus
albers
alpine
anubis
arilus
arsine
asleep
aspire
bailee
baleen
beaner
beanie
belsen
berlin
braise
brasil
bruise
brunei
burial
burlap
bursal
buspar
elaeis
elanus
elapse
elspar
enable
enbrel
ensile
ensure
epirus
erebus
espial
eupnea
insure
israel
lanius
leaner
leaper
linear
lineup
lipase
lisper
lupine
nablus
nailer
napier
naples
nebula
nebule
nepali
nereus
neural
nubile
paries
parsee
peleus
peneus
penial
penile
pernis
persea
persia
peruse
pileus
pilsen
pineal
pineus
planer
please
pleura
pliers
praise
puebla
pulsar
purine
rabies
rapine
reline
repeal
repine
resale
reseal
reseau
resile
reuben
rubens
sabine
saline
saurel
sealer
senile
serail
serape
serbia
serial
serine
silene
sniper
spinal
spinel
spiral
spirea
spleen
spline
sprain
superb
supine
surnia
unable
unease
unreal
unreel
unripe
unseal
uprise
urbane
urease
urinal
ursine
usable
abele
abies
abuse
aerie
aesir
aisle
albee
alien
aline
alnus
anele
anile
anise
anser
april
aries
arise
arius
arles
aspen
asper
bairn
basel
basil
basin
basle
beira
belau
belie
beria
berne
birle
blain
blair
blare
blase
blear
bleep
blues
brail
brain
braun
brine
bruin
brule
brusa
burin
burns
bursa
easel
eblis
elisa
ensue
erase
euler
ibsen
ileus
inula
inure
irena
irula
isere
laius
lapin
lapse
larus
laser
learn
lease
lense
lepas
leper
lepus
libra
liner
lunar
lupin
naris
nepal
nubia
nurse
pabir
paine
pains
panel
paris
parse
parsi
parus
pauli
pause
pearl
penal
penis
peril
pilar
pilau
pilea
piles
pilus
pinus
plain
plane
plebe
plier
preen
prise
prune
pubes
pubis
pulse
puree
purse
pusan
rails
raise
ranee
rebel
rebus
renal
repel
resin
reuse
ribes
rinse
ripen
risen
rnase
rubel
rubia
ruble
rupee
saber
sabin
sable
sabre
sapir
saree
sarin
seine
selar
sepal
sepia
serin
siren
sirup
slain
sleep
slurp
snail
snare
snarl
sneer
snipe
spain
spare
spear
speer
spiel
spile
spine
spire
spree
sprue
spurn
super
supra
ulnar
unbar
urals
urban
urial
urine
usnea
abel
able
abls
aire
airs
alee
alep
alir
alps
anil
anpu
anus
aper
apis
apse
apsu
apus
ares
aril
arse
arui
asin
asur
bail
bale
bali
bane
bare
bari
barn
bars
base
bean
bear
beau
beep
beer
bern
bias
bier
bile
bine
birl
bise
blae
bleu
blip
blue
blur
brae
bran
bren
brie
bris
buna
buns
bura
burl
burn
burp
earl
earn
ease
eira
eire
elan
elbe
elia
erie
erin
eris
erne
erse
esau
inla
iran
isle
lair
lane
lari
larn
lean
leap
lear
leer
lees
lena
lens
liar
lien
lieu
line
lira
lisp
lisu
luba
lube
lues
luna
lure
nabu
nail
nape
napu
neap
near
nebe
neel
nepa
nile
nipa
nipr
nlrb
pail
pain
pair
pale
pali
pane
pare
paul
peal
pean
pear
peba
peel
peen
peer
peri
peru
peul
pier
pile
pine
pisa
plan
plea
pleb
plus
pula
pule
pure
purl
rail
rain
raiu
rale
rani
rape
rase
rasp
real
reap
reel
rein
rial
riel
rile
ripe
rise
rube
ruin
rule
rune
ruse
sail
sale
salp
sane
sari
saul
seal
sear
sebe
seel
seep
seer
sene
serb
sere
sial
sian
sine
sire
slab
slap
slip
slub
slue
slur
snap
snip
snub
span
spar
spin
spue
spur
suer
sula
sura
sure
ulna
unai
urea
uria
user
abs
ail
ain
air
alb
ale
ali
alp
als
ane
ani
ans
anu
ape
apr
arb
are
arp
asl
asp
bai
ban
bap
bar
bee
bel
ben
bin
bns
bpi
bps
bra
bse
bun
bur
bus
ear
eas
ebn
ebs
eel
eib
ela
eln
ene
enl
epa
epi
era
ern
ese
esp
esr
inr
ins
ira
ire
irs
isn
lab
lan
lap
lea
lee
lei
ler
leu
lie
lin
lip
lir
lpn
nab
nap
nbe
neb
nee
nib
nil
nip
nlp
npa
nra
nrl
nsa
nsu
nub
pal
pan
par
pas
pbs
pea
pee
pei
pel
pen
pes
pia
pib
pie
pin
prn
psa
psi
pub
pul
pun
pus
rap
ras
rbi
reb
rep
res
rib
rip
rna
rub
rue
run
rus
sap
sba
sbe
sea
seb
see
sen
sep
sib
sin
sip
sir
sle
snp
spa
sub
sue
sun
sup
sur
url
urn
usa
use
usn
ab
ai
al
an
ar
as
au
ba
be
bi
br
bs
ea
eb
ee
el
en
er
es
eu
ia
ie
il
in
ip
ir
la
lb
le
li
lp
lr
lu
na
nb
ne
ni
np
nu
pa
pb
pe
pi
pr
ps
pu
ra
rb
re
ri
rn
ru
sa
sb
se
si
sl
sn
sr
un
up
ur
us
a
b
e
i
l
n
p
r
s
u
insulator
insulin
insult
insulting
insultingly
insuperably
insupportable
insurability
insurance