1. [ adjective ] (geometry) slanting or inclined in direction or course or position--neither parallel nor perpendicular nor right-angular

"oblique rays of the winter sun" "acute and obtuse angles are oblique angles" "the axis of an oblique cone is not perpendicular to its base"

Related terms: parallel perpendicular diagonal nonparallel bias catacorner crabwise inclined divergent convergent
2. [ adjective ] (of movement) at an angle
Synonyms: sideways crabwise
Related terms: indirect
3. [ adjective ] descended from a common ancestor but through different lines
Synonyms: indirect collateral

"cousins are collateral relatives" "an indirect descendant of the Stuarts"

Related terms: lineal related
4. [ adjective ] indirect in departing from the accepted or proper way; misleading
Synonyms: devious

"used devious means to achieve success" "gave oblique answers to direct questions" "oblique political maneuvers"

Related terms: indirect
5. [ noun ] (anatomy,zoology) a diagonally arranged abdominal muscle on either side of the torso
Synonyms: external_oblique_muscle musculus_obliquus_externus_abdominis abdominal_external_oblique_muscle
Related terms: ab
6. [ noun ] (grammar) any grammatical case other than the nominative
Synonyms: oblique_case
Related terms: nominative case ablative locative genitive instrumental vocative dative accusative
Similar spelling:   obliquely