In that sentence, was is being used as an auxiliary verb to help complete the passive verb phrase "was used".
A verb - used with object
Noun--however, many words have several possible parts of speech; please submit the Whole Sentence when asking for part of speech--cannot be sure without seeing how it is used in the sentence, as that's what determines the part of speech.
Off can be used as an adverb, preposition, adjective, or verb.
Xerox can be used as a verb and a noun.
Civilization is typically used as a noun.
when this and that are used to modify nouns they are treated as which part of speech
The part of speech that the word my is used as is an adjective.
Flower
Adverb
The flower is used for reproduction by the plant. The pollen is the "male" part of the plant and the flower is the "female" part that develops into the plant's fruit and seed(s). The colorful petals and sweet odor of the flower are to attract animals that will pollinate the flower.
Gag answer: adverds Real answer: adverbs
oral
Adjectives are used to describe nouns or pronouns by providing more information about their qualities or characteristics.
Interjection is the part of speech rarely used in formal writing.
The part of speech of "into" after "above" would still be a preposition.
It can be used as a noun or a verb.
A verb - used with object