Define detecting. detecting synonyms, detecting pronunciation, detecting translation, English dictionary definition of detecting. tr.v. de·tect·ed , de·tect·ing , de·tects 1. To discover or ascertain the existence, presence, or fact of. 2. To discern : detected a note of sarcasm in the. detecting Add to list Definitions of detecting noun a police investigation to determine the perpetrator synonyms: detection, detective work, sleuthing DETECTING definition: 1. present participle of detect 2. to notice something that is partly hidden or not clear, or to…. Learn more. Bots have gotten much better at solving them, prompting websites to rely increasingly on less visible—and more consumer-friendly—ways of detecting suspicious behavior. 2009, Gilbert Ryle, The Concept of Mind: 60th Anniversary Edition, page 194: Synonyms for DETECTING: finding, learning, discovering, locating, getting, determining, ascertaining, tracking (down); Antonyms of DETECTING: missing, overlooking, passing over, losing, misplacing, mislaying, missetting transitive verb 1 : to discover the true character of detecting drug smugglers 2 : to discover or determine the existence, presence, or fact of detect alcohol in the blood DETECTING definition: present participle of detect. See examples of detecting used in a sentence. Find 69 different ways to say DETECTING, along with antonyms, related words, and example sentences at Thesaurus.com. DETECTING meaning: 1. present participle of detect 2. to notice something that is partly hidden or not clear, or to…. Learn more.