The phrase "puts on ice" refers to an action of delaying or postponing something for a later time. The antonyms of this phrase would be to proceed or take immediate action. Examples of antonyms for "puts on ice" are "urgency," "immediacy," "act upon," "attend to," or "resolve." These words imply taking swift action and indicating an eagerness to complete tasks or make decisions. Instead of delaying or procrastinating on a task or decision, these words suggest that the issue needs to be addressed immediately, without further delay. The antonyms for "puts on ice" therefore, demonstrate a sense of responsibility, promptness, and efficiency in taking action.