See examples of detailed used in a sentence. Definition of detailed adjective in oxford advanced learners dictionary. A detailed report or plan contains a lot of details. I started drawing up more … Meaning, pronunciation, picture, example sentences, … Giving a lot of information with many…. Yesterdays letter contains a detailed account of the decisions. The meaning of detailed is marked by abundant detail or by thoroughness in treating small items or parts. How to use detailed in a sentence. Having many details. Giving a lot of information with many details: