Eucalyptus absita is a mallee that grows to a height of and has smooth grey bark over copper-coloured and green sections, sometimes with fibrous greyish brown to yellowish bark for up to at the base. The leaves on young plants are dull green to bluish, elliptic in shape, up to long and wide. Adult leaves are glossy green on both sides with a dense network of veins, lance-shaped and up to long and wide on a
petiole up to long. The flowers are borne in groups of up to seven in leaf
axils. The buds are club-shaped, long and wide. The
stamens are white, curve inwards and the outer ones lack
anthers. Flowering occurs between April and July and the fruit are cone-shaped with the narrower end towards the base to cup-shaped, long and wide with a thin rim. ==Taxonomy and naming==