Having foresight is an important skill that allows individuals to anticipate potential outcomes and plan accordingly. However, there are times when it may be necessary to consider the opposite of having foresight, or lacking this skill altogether. Antonyms for having foresight include being impulsive, thoughtless, shortsighted, myopic, negligent, and inconsiderate. These traits often lead to poor decision-making, as individuals who lack foresight may fail to consider the long-term consequences of their actions or fail to recognize potential risks. While being impulsive or thoughtless may occasionally lead to positive outcomes, it is generally advisable to cultivate the skill of having foresight in order to make better-informed decisions and avoid unnecessary complications.