adj: not capable of being improved on
Length: 10 letters
Scrabble value: 20
Words with Friends value: 25
Literati value: 14
TWL (USA): Found
SOWPODS (UK): Found
unexcelled
exclude
deluxe
exceed
needle
culex
deuce
dunce
educe
elude
endue
excel
exude
lendl
uncle
cede
cell
clue
cull
dell
duce
duel
dull
dune
eden
elul
exec
lede
lend
llud
luce
lund
luxe
need
neel
nude
null
ulex
clx
cud
cue
cul
cxl
dec
den
dle
due
dun
eec
eel
eld
ell
eln
end
ene
enl
lcd
ldl
led
lee
leu
lld
lux
nec
nee
ull
xcl
cd
ce
cl
cu
cx
dc
de
dl
ec
ed
ee
el
en
eu
ex
le
lu
lx
nc
nd
ne
nu
un
xc
xe
xl
c
d
e
l
n
u
x
uneventful
uneventfully
unexacting
unexampled
unexceeded
unexceptionable
unexceptional
unexchangeability
unexchangeable
unexcitable