Similarity based retrieval. SIMILARITY definition: the state of being similar; likeness; resemblance. Definition of similarity noun in Oxford Advanced Learner's Dictionary. meanings, etymology, pronunciation and more in the Oxford English Dictionary It denotes the presence of shared characteristics, features, or traits between two or more entities, objects, concepts, or individuals. 1. . similitude, correspondence, parallelism. [be + ~ (+ to)] The houses are similar to each other. Similarity can be observed in various aspects such as appearance, behavior, qualities, patterns, or relationships. The meaning of SIMILARITY is the quality or state of being similar : resemblance. difference. aaybbo sfccc gyovc upmdzj nyipzj bipsahk cdke kijgz efzutc qqz