The antonyms for the word "more snail-like" are words that convey speed, agility, and swiftness. Some antonyms for this phrase include fleet, nimble, quick, speedy, and agile. These words denote energy, alertness, and vigor, which is the opposite of the slow, grinding pace of snails. Other antonyms that can substitute for "more snail-like" include fast, prompt, hasty, expeditious, and rapid. These words are contrasting terms of movement that describe a driven, invigorating pace that is the complete opposite of the sluggish and lethargic speed of snails. Suppose you are looking to convey speed and quickness. In that case, you can use any of these antonyms to describe the opposite of "more snail-like.