Letters that make unheard-of
a, o, d, e, f, n, h, r, u are letters that make 'unheard-of'
Words within unheard-of
ear, he, UN, He, NH, ar, Ea, unheard, heard, AR, Ar, hear are words within 'unheard-of'
a, o, d, e, f, n, h, r, u are letters that make 'unheard-of'
ear, he, UN, He, NH, ar, Ea, unheard, heard, AR, Ar, hear are words within 'unheard-of'
1 possible definitions for 'unheard-of'
Under this definition, unheard-of is an adjective and has the following properties:
unknown is similar to unheard-of.
"a first novel by an unheard of writer", "developments on an unheard-of scale"