Video shows what similar means. Having traits or characteristics in common; alike, comparable.. Of geometrical figures including triangles, squares, ellipses, arcs and more complex figures, having the same shape but possibly different size, rotational orientation, and position; in particular, having corresponding angles equal and corresponding line segments proportional; such that one can be had from the other using a sequence of operations of rotation, translation and scaling.. similar pronunciation. How to pronounce, definition by Wiktionary dictionary. similar meaning. Powered by MaryTTS