The word "behemothic" refers to something massive or gigantic in size. Its antonyms would be words that describe things that are small, diminutive or petite. Some of the antonyms for behemothic include tiny, miniature, small, micro, and pint-sized. These words are often used to describe things that are on the opposite end of the size spectrum compared to behemothic. For example, while behemothic might describe a large elephant or building, its antonyms may be used to describe something very small or delicate, like a flower or a toy. By using antonyms like these, we can describe things in a more precise and specific way.