The phrase "more barrelling" describes a fast and forceful movement, but its antonyms are slower and more gentle. Words such as "sluggish," "leisurely," "mellow," and "calm" could be used to convey the opposite of barrelling. The word "plodding" describes a slow and steady pace, while "idle" suggests a lack of movement altogether. Alternatively, "soft," "gentle," and "serene" could be used to describe a calm movement that flows gently. While "more barrelling" may denote speed and strength, its antonyms portray the opposite, highlighting the importance of language in conveying different moods and tones.