characterless (adjective) amorphous: without definite shape, character
Sinonime: absolutely right,
accurate, by the book, dead-center,
definite,
direct,
exact, on the button, on the mark, on the mark, on the money, on the money, on the nose,
pinpoint,
precise, to the point, unerring, very accurate
Antonime: definite,
distinct,
distinctive, shaped, shapely