As an adjective wilier
is comparative of wily.
As a noun willer is
one who wills, who causes by an act of will or willpower.
wilier
English
Adjective
(head)
(wily)
wily
English
Adjective
(
en-adj)
sly, cunning, full of tricks
- Horatio's new girlfriend is a wily coquette and poor Horatio is too smitten to see it.
Synonyms
* See also
willer
English
Noun
(
en noun)
One who wills, who causes by an act of will or willpower.
One who causes an inheritance by writing a will.