The word "fore-running" generally means leading, pioneering, or being at the forefront of something. Some antonyms for this word could be lagging behind, following, trailing, or being last. Other antonyms for fore-running could be losing, falling behind, or being left behind. The opposite meaning of fore-running implies that someone or something is not leading or advancing, but rather is behind or catching up. These words are often used when describing a race, competition or any other activity where being ahead of others is key. Antonyms for fore-running are important to understand so as to accurately describe situations where someone or something is not leading, but rather following or lagging behind.