The word "gooselike" describes something that resembles or behaves like a goose. The opposite, or antonym, of this word would be something that is dissimilar or acts in a way contrary to a goose. Possible antonyms for "gooselike" could include terms such as hawkish, serpent-like, or feline. While a goose is known for its gentle, waddling movements, a hawk would be its opposite with swift, jerky actions. Similarly, while a goose is considered a herbivorous bird, a serpent would be an opposite in terms of its carnivorous diet. Lastly, a feline's sleek, agile movements would stand in contrast to the lumbering, heavy-footed gait of a goose.