thorough

== English == === Alternative forms === thoro (informal) === Etymology === From Middle English thoruȝ, þoruȝ, from Old English þuruh, a byform of Old English þurh, whence comes English through. The adjective derives from the preposition and adverb. The word developed a syllabic form in cases where the word was fully stressed: when it was used as an adverb, adjective, or noun, and less commonly when used as a preposition. === Pronunciation === (Received Pronunciation) IPA(key): /ˈθʌɹə/, /ˈθʌɹəʊ/ (General American) IPA(key): /ˈθʌɹoʊ/ (General American, Canada) IPA(key): /ˈθɝoʊ/ (Indic) IPA(key): /t̪ʰəˈro/, /ˈt̪ʰərə/ Rhymes: -ʌɹə, -ʌɹəʊ === Adjective === thorough (comparative thorougher or more thorough, superlative thoroughest or most thorough) Painstaking and careful not to miss or omit any detail. Utter; complete; absolute. ==== Synonyms ==== (detailed): comprehensive, rigorous, scrupulous; see also Thesaurus:meticulous or Thesaurus:comprehensive (utter; complete; absolute): downright, outright, unmitigated; see also Thesaurus:total ==== Antonyms ==== (antonym(s) of “not detailed”): cursory, superficial, surface-level ==== Derived terms ==== ==== Translations ==== === Preposition === thorough (archaic) Through. [9th–19th c.] === Noun === thorough (plural thoroughs) (UK, dialect) A furrow between two ridges, to drain off the surface water.