Marked by obsession

Characterized by obsessions and compulsions, especially by the need to perform repetitive tasks

A deliberate policy of obstructing something, especially a political process or body.

(degree) To a detectable degree, sufficient to be observed. / (manner) In an observable manner. / (modal) Indicates that the proposition can be verified by observation.

In an obscene manner; vulgarly. / (colloquial) In an excessive manner.

(botany, of leaves) Of a reverse sagittate shape, with two pointed lobes extending at the apex.

(pathology) An obstruction of the nasal cavity that reduces the flow of the air, regardless of the cause.

Learning that occurs as a function of observing, retaining and, in the case of imitation learning, replicating novel behavior executed by other people.

superlative form of obscene: most obscene

comparative form of obscene: more obscene