observational C2+ Topic:Describing Qualities US /ˌɑbzərˈveɪʃənəl/ UK /ˌɒbzəˈveɪʃənəl/ See IPA manual Meanings 1 adj based on observing rather than experimenting or theorizing The study was purely observational, recording behavior without intervening. Thesaurus Synonyms 1 adj · based on observing rather... empiricalperceptualexperiential ↔ Opposites theoreticalexperimental Word family Derived forms observationally Related forms observeobservationobserver Etymology AI details From observation (from Latin observatio, from observare, 'to watch, heed') plus the suffix -al. observatio Latin servare Latin View etymology graph -> Topics Describing Qualities Word Formation & Derivatives External links Cambridge Dictionary Wiktionary Google Images # observational **Type:** Word **Level:** C2+ **Part of speech:** adj **IPA (US):** /ˌɑbzərˈveɪʃənəl/ **IPA (UK):** /ˌɒbzəˈveɪʃənəl/ ## Meanings 1. based on observing rather than experimenting or theorizing ## Examples - The study was purely observational, recording behavior without intervening. ## Synonyms - empirical - perceptual - experiential ## Antonyms - theoretical - experimental ## Derived Forms - observationally ## Related Forms - observe - observation - observer ## Roots and Affixes - Root: observatio - Root: servare ## Etymology From observation (from Latin observatio, from observare, 'to watch, heed') plus the suffix -al. ## AI Etymology Observational comes from observation (from Latin observatio, from observare, 'to watch, heed') plus the suffix -al. The suffix is part of the word's derivational shape, marking the final grammatical or semantic role while the base supplies the central meaning. As an adjective, it carries the sense "based on observing rather than experimenting or theorizing", with the older formation still helping explain the modern use. Relevant historical forms include Latin observatio and Latin servare. Derivative forms include observationally; related words include observe, observation, observer. ## Topics - Describing Qualities - Word Formation & Derivatives markdown