Antonym means opposite, so I guess the opposite of "sea" would be "land".
An antonym for Lagoon is the ocean or sea
An synony for Nautical is deep-sea.
An estuary is an inlet of the sea and as such has no antonym.
The term "sea urchin" refers to a specific type of marine animal, so it doesn't have a direct antonym. However, if considering "sea" as a context, an antonym could be "land" or "terrestrial." In a broader sense, one might think of animals that inhabit different environments, such as a land animal like a rabbit, as an opposite in terms of habitat.
river, sea, ocean, bay, gulf look it up on google
The antonym of the word 'synonym' is 'antonym'.
There really is no antonym i can think of unless you are referring to "earth" as "land",Then you might get away with "sky" or "sea"
An antonym means "opposite". So an antonym for the word synonym is antonym.
An antonym of "border state" could be "landlocked state." A landlocked state is one that is surrounded by other states or countries and does not have a border with an ocean or sea.
Sea, ocean, lake, pond, or any other body of water. Those are antonyms for the word stream.
The antonym for from is to. Because antonym means opposite.
now ____________ The word when does not have an antonym. Not every word has an antonym.