The artificial or studied assumption of behaviour; artificiality (of manner); putting on of airs; (also) an instance of this.

The act of affecting or assuming artificially; = affectation, n.

Fantastic creation or display; ostentation, affectation, pomp; showy trappings. Also: delusory or illusory character, deceptiveness; fantasy.

figurative or in figurative expressions, usually with allusion to the artificially raised position or long strides of a person walking on stilts: cf…

Chiefly English regional. Affectation or pretentiousness in manner; (more generally) fuss, rigmarole.

Pretentious affectation, foppishness. Also: something which exemplifies this. Cf. coxcombicality n. at coxcombical, adj. derivatives.

A grimace, an affectation; an affected manner.

The art or practice of making postures or contortions (literal and figurative); the adoption of a pose or posture; an instance of this.

The study and excessive use of attitudes.

The practice or assumption of attitudes; posturing; mode of action purposely assumed.

Perhaps: something expressive of affectation or vanity.

Affectation of speech or behaviour, esp. in to put on the gyver. Also as adj.: smart, fashionable.

colloquial (now chiefly Irish English). In plural. Pretensions, affectations; ambitions or desires beyond what might be expected of one's social…

= attitudinizing, n.

The tendency to aim at literary effect.

Affected manners; self-importance; frequently in to lay (or put) on jam. Australian slang.

Affected and over-elaborate refinement; an affectation, esp. of behaviour or manner.

Affected, showy, or effeminate behaviour. Frequently with about, around.

Intellectual or social pretension or affectation; pseudo-intellectual speech, writing, debate, etc.