inattendus

Inattendus is a French adjective and noun meaning unanticipated or unexpected. As an adjective, it describes things that were not foreseen; in the masculine plural form inattendus it can refer to such things collectively. In everyday usage, it can also function as a noun to denote surprising developments or events, sometimes with a sense of dramatic impact.

Etymology and grammar: Inattendu derives from the prefix in- (not) combined with attendu (expected). The feminine form is inattendue and the feminine plural is inattendues, while the masculine plural is inattendus.

Usage and contexts: The term is used across disciplines to refer to events, factors, or observations that fall outside prior expectations. In journalism and analysis, inattendus describe unforeseen consequences that alter a given assessment. In literature and film, they denote plot twists or surprising narrative turns. In risk assessment and probability, inattendus are events or outcomes not captured by models or forecasts, sometimes requiring revision of assumptions or contingency planning.

Examples: A report may note that fais de la météo supply chain disruptions were inattendus, prompting delays. A novel might hinge on an inattendu revelation that shifts the protagonist’s motivation. An investigation can uncover inattendus elements that challenge initial hypotheses.

See also: imprévu, surprise, hasard, aléa, événement imprévu.