It is a thing not a definition so it does not have an antonym
Definition: The smallest amount of energy that can be emitted or absorbed as electromagnetic radiation. Antonym: unfixed
Antonyms are opposite definition and synonyms are the same definition.
the antonym of sarcasm is "true" the definition of antonym is- the opposite. so sarcasm is the opposite. not that hard to figure out. ^.^
A wigwam, used in the literal/denotation definition, has no antonym since it is a noun.
Depending on the specific definition of channel, an antonym for this word could be denial.
Definition: motion as communicationAntonyms: speech
If the definition of behaviour is 'appearance or pretense' then the opposite of behaviour is reality, so yes it is an antonym.
The definition of emissary is an agent sent on a mission to represent or advance the interests of another. I am unable to find an antonym.
well, the definition or portal is a doorway or entrance so an antonym would be an exit and a synonym would be a doorway.
1. definition: stronger, denser example: concentrate orange juice antonym: dilute 2. definition: focus example: concentrate on your lesson antonym: divert
"homemade" is by definition something that was created at home, in a private nonindustrial environment. An "antonym" of a word is the word which has the opposite meaning. So, the antonym of Homemade would be storebought.