Yes, when it modifies a noun (e.g. seven days). As just a number, it is a noun.
No, seven is a cardinal number that represents the quantity of something. It is not an adjective.
Cautious IS an adjective. An adjective is an action!
The word "it" is not an adjective (it is a pronoun). A word is an adjective if it modifies (defines, characterizes) a noun or pronoun. The big tent - big is an adjective He is tall - tall is an adjective This key - this (while arguably called a determiner) is a demonstrative adjective
Severe is an adjective.
Stable is an adjective.
probable is an adjective
adjective
adjective
Yes, seven is an adjective when it is used to describe a noun. My cousin has SEVEN brothers and sisters. In this sentence the nouns BROTHERS and SISTERS are being described by the adjective SEVEN. The SEVEN monkeys swung across the jungle. In this example it is an adjective because it describes the noun MONKEYS. However if the number SEVEN is used as a title or name of a person, place or thing it is considered a noun or proper noun. My cousin SEVEN has eight friends. Here SEVEN is a proper noun because it is the name of a person. I went to club SEVEN last Saturday. Once again SEVEN is a proper noun because it is the title of a club, place.
A number is used as a limiting adjective when it defines a specific amount of things. For example, in the sentence "I brought home seven cupcakes for the party," seven is a limiting adjective that defines the amount of cupcakes.
Sincere, zealous, selfish, abusive and amorous are adjectives. They contain seven letters.
"Doc" .
That is the correct spelling of the number 57, but in US English, it is normally hyphenated fifty-seven as an adjective.
Pensive.
The adjective top: supreme, highest The verb top: surpass
The number seven is a singular, common noun, a word for a thing. Example:My house is number seven.We have sold seven of the cakes.When a number is used to describe a noun (seven students), it is an adjective.
The nouns are:takes, plural form of the noun 'take' (the word takes is also a verb);seven, a word for a quantity or a number (the word seven is also an adjective);hours, the plural form of the noun 'hour'.
A seven letter word that can be made from those letters is franker (comparative form of the adjective 'frank').