Dis-similar is an adjective that describes objects or ideas that are not alike or dissimilar. However, antonyms for dis-similar include similar, identical, alike, and analogous. Similar means having resemblances in appearance, character, or kind. Identical refers to things that are completely the same, with no differences or distinctions. Alike also suggests similarity and can be used interchangeably with similar. Analogous indicates a likeness or similarity, but not necessarily an exact match, such as in the case of analogies in language or art. Knowing the antonyms for dis-similar can help improve vocabulary and communication skills.