S: (n) taboo, tabu (a prejudice (especially in Polynesia and other South Pacific islands) that prohibits the use or mention of something because of its sacred nature)
S: (n) experimenter bias ((psychology) bias introduced by an experimenter whose expectations about the outcome of the experiment can be subtly communicated to the participants in the experiment)
S: (n) homophobia (prejudice against (fear or dislike of) homosexual people and homosexuality)
S: (n) Islamophobia (prejudice against Muslims) "Muslim intellectuals are afraid of growing Islamophobia in the West"
S: (n) racism (the prejudice that members of one race are intrinsically superior to members of other races)
S: (adj) oblique (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"
W: (adj) parallel [Indirect via oblique] (being everywhere equidistant and not intersecting) "parallel lines never converge"; "concentric circles are parallel"; "dancers in two parallel rows"
W: (adj) perpendicular [Indirect via oblique] (intersecting at or forming right angles) "the axes are perpendicular to each other"