As an idiom unique to the English language, 'no longer' is an adverb used to describe something done in the past that the subject is not engaged in doing anymore.
Examples:
"They no longer make this wallpaper pattern."
"Emily is no longer interested in her old toys."
"Once the washing machine is fixed, we will no longer need to go to the laundromat."
adverb
what part of speech is beneath
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The word mome is a noun. A mome is a term for a stupid person. This term is no longer in use in present day English.
The part of speech is a adjective
"Obsolete" is an adjective. It describes something that is no longer in use or outdated.
Deceased is used as an adjective and a noun. Adjective: no longer living. Noun: a dead person.
part of speech
The part of speech for this particular word is a noun.
"Longer" can be both an adjective and an adverb. As an adjective, it describes something that has more length than something else. As an adverb, it describes an action that is done for a longer duration or to a greater extent.
The part of speech for "answer" is a noun.
adverb
what part of speech is beneath
The word doth is a verb. However, it is an archaic term which means it is no longer used in present day English.
The word postic is an adjective. It is a word that means backward but this term is no longer used in present day English.
"Lingerer" is a noun. It refers to a person who lingers or stays in a place longer than necessary.
The part of speech for "explicit" is an adjective.