Caught off-guard refers to being taken by surprise or being caught unprepared. Antonyms for caught off-guard would include being prepared, being forewarned, being ready, being on guard, being vigilant, or being alert. These words convey a sense of being aware and fully equipped to handle any situation that comes your way. Being prepared and vigilant also highlight the need for planning and anticipation, something that is lacking when one is caught off-guard. By avoiding being caught off-guard, individuals can better manage and navigate the unexpected events that life throws their way.