Loses no time is an expression that indicates a sense of urgency or immediacy. Its antonyms could be words that suggest slowness, procrastination or inactivity. Some of the opposing terms for loses no time include delaying, dragging one's feet, taking one's time, or stalling. These words suggest a more relaxed or indifferent approach to completing a task or achieving a goal. Another suitable antonym for loses no time could be "procrastinating," which implies putting off an activity or task until a later time. In essence, the antonyms for loses no time portray a sense of lethargy or being inactive, which is the opposite of the phrase's intended meaning.