say it: uh-BLEEK
oblique is a noun and adjective meaning "any grammatical case other than the nominative". It carries 4 recorded senses.
any grammatical case other than the nominative
a diagonally arranged abdominal muscle on either side of the torso
slanting or inclined in direction or course or position--neither parallel nor perpendicular nor right-angled
“the 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”
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for oblique come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.