Warmest is a word that describes something.
Words that describe something are adjectives.
The noun in the sentence "Summer is the warmest season" is "Summer." It refers to a specific time of year characterized by warm weather. Additionally, "season" is also a noun, indicating a particular period within the year.
The word warm is a verb (warm, warms, warming, warmed), and an adjective (warm, warmer, warmest). Dictionaries refer to the use of warm as a noun an 'informal' use. If you do use the word warm as a noun, it is a common noun.
The Indian ocean is the warmest ocean
Yes, 2017 was one of the warmest years on record, but not the warmest.
18c is the warmest. 12c is the coldest.
the warmest layer is the Therosphere
No youngest is a superlative adjective. The -est ending is a good clue.Others are:biggest / tallest / hottest / warmest
The warmest ocean in the world is the Indian ocean.
warmest
Mars is the warmest and possibly the cloudyest
Venus is the warmest planet in the solar system
Oysooyos Lake is the warmest lake in Canada