showing malicious ill will and a desire to hurt; motivated by spite; "a despiteful fiend"; "a truly spiteful child"; "a vindictive man will look for occasions for resentment"
(computer science) executing the same set of instructions a given number of times or until a specified result is obtained; "the solution is obtained by iteration"
(computer science) a single execution of a set of instructions that are to be repeated; "the solution took hundreds of iterations"