Is the word "challenging" a noun, verb, adjective? English Grammar Parts of Speech Adjectives and Adverbs 1 Answer Abdul Sammad Apr 23, 2016 it is both a verb and an adjective. Answer link Related questions How can I teach definite and indefinite articles in a classroom setting? What are the differences between definite articles and indefinite articles? Is the word "vegetarian" a noun or adjective? I figured both "vegetarian" and "vegan" were... What are the adjectives in the following sentence?: The green gate was rusty. What are the adjectives in the following sentence?: The green shutters on the tallest house are closed. What are the adjectives in the following sentence?: It is often problematic when bad computers... What are the adjectives in the following sentence?: A lot of small cars were involved in a... What are the adjectives in the following sentence?: The lengthy detective novel had a plot that... What are the adverbs in the following sentence?: He read the book very quickly and ended up... What are the adverbs in the following sentence?: They hurriedly set up their tents because the... See all questions in Adjectives and Adverbs Impact of this question 4668 views around the world You can reuse this answer Creative Commons License