Tree is and adjective
limber timber
No. Christmas is a proper noun. Its use with other nouns (Christmas dinner, Christmas present, Christmas tree) is as a noun adjunct, not an adjective. The adjective meaning 'of or like Christmas' is Christmasy or Christmassy.
"Tumtum tree" functions as a noun phrase. In this phrase, "tumtum" serves as an adjective describing the type of tree, while "tree" is the main noun. Together, they refer to a specific object or entity.
"Frightening" is an adjective, as it describes a noun, e.g. The ancient, gnarled tree made a frightening shape in the moonlight.
Climbing is a gerund, which is a type of noun that is derived from a verb and ends in -ing. In this case, climbing functions as a noun, representing the action or activity of climbing. It can serve as the subject or object of a sentence, or as the object of a preposition.
"pond" is a noun. An adjective describes a noun. the pond is shallow...shallow being the adjective and pond being the verb. Any "thing" is a noun.
No. It is a noun.
Built is a past tense adjective, "the house is built." Build is a verb "please build me a house."
Tree is neither an adjective nor an adverb. The word tree is a noun, a singular, common, concrete noun; a word for a large form of plant with a stem of wood; a word for a thing.
No. Christmas is a proper noun. Its use with other nouns (Christmas dinner, Christmas present, Christmas tree) is as a noun adjunct, not an adjective.
An adjective is a word that modifies a noun or pronoun by providing more information about its qualities or characteristics. For example, in the phrase "tall tree," the word "tall" is an adjective describing the noun "tree."
the tree house is at the entrance in a cave in this tree with an iceical on it.
oak
limber timber
You could consider only tree a noun. Or apple as well, since it is used as a noun adjunct, not technically an adjective. You could also consider "apple tree" to be a compound noun.
calm palm
calm palm