LATENT meaning: 1. present but needing particular conditions to become active, obvious, or completely developed…. Learn more. Latent means present but needing particular conditions to become active, obvious, or completely developed. Learn more about the word, its synonyms, antonyms, and usage in different contexts with Cambridge Dictionary. Latent means existing, but not yet clear, active or well developed. Learn how to use this adjective with pictures, pronunciation and usage notes from the Oxford Advanced Learner's Dictionary. 5 meanings: 1. potential but not obvious or explicit 2. (of buds, spores, etc) dormant 3. pathology (esp of an infectious.... Click for more definitions.