Axew is a bipedal, greenish-colored Pokémon with noticeable nostrils and pale tusks protruding from the sides of its mouth. The back of its head, tipped with dark grayish-green coloration, has a horn- or spike-like, pointed and tall protrusion. Axew also has dark grayish-green coloration rimming its eyes, which have red irises. A collar-like, forest-green patterning encircles its neck; most of its body is a dull grayish green. Axew's limbs and tail are small, with its forelimbs having three digits and its feet having two digits.