The word usually is an adverb.
A contradictory part of speech refers to when a particular word is used in a way that contradicts its typical part of speech classification. For example, if a word is usually a noun but is used as a verb in a sentence, that would be contradictory.
The part of speech for this particular word is a noun.
The part of speech for "answer" is a noun.
The word "limb" can function as a noun. It refers to a person's arm or leg, usually in the context of anatomy or a body part.
This type of word is called a "participle". It was not usually considered a separate part of speech when I learned English but may be now.
adverb
A word with the -able suffix is usually an adjective.
adjective (usually describes a person)
A contradictory part of speech refers to when a particular word is used in a way that contradicts its typical part of speech classification. For example, if a word is usually a noun but is used as a verb in a sentence, that would be contradictory.
Adjective. (Words ending in -ous are usually adjectives.)
Adverbs usually end in ly.
The word obelisk is a noun. Obelisks are usually found as monuments.
Adjective ( emitting light, usually as a result of being heated)
"The" is a definite article. Definite articles are usually classified as a subset of adjectives.
The word richness is a noun. It is usually an uncountable noun.
The word sacred is an adjective. It is usually used in relation to religion.
"prosperous" is an adjective. ( words ending in "ous" are usually adjectives).