Explanation

In the proverb "A rolling stone gathers no moss," "rolling" is an adjective modifying the noun "stone," describing its characteristic or state.

It describes the stone as being in motion, constantly moving.

Explanation

Adjective is a word tells which one, what kind or how many. 

An adjective modifies or describes a noun or pronoun

Explanation

 "The weather is comparatively hotter today."

The word "comparatively" already suggests a comparison, so we use the comparative form of the adjective.

The correct comparative form of "hot" is "hotter".

Explanation

In the sentence "Still water causes disease," the underlined word is "still."

Part of Speech:

Still in this context is used as an adjective to describe the noun "water."

It means that the water is not moving or is calm

Explanation

In the sentence "His lecture was TEDIOUS," the capitalized word "TEDIOUS" is an adjective.

Explanation

Likely is an adjective which means probably. 

Explanation

 The terms "more loudly" and "most loudly" are the comparative and superlative forms of the adverb "loudly."

He speaks more loudly than a loudspeaker.

Explanation

When an adjective describes a noun that is part of the predicate, it is called an object complement.

An object complement is a word or phrase that renames or describes the direct object of a verb.

It provides more information about the object, such as its qualities, properties, or characteristics.

In the sentence "They elected him president," "president" is the direct object, and the adjective "president" is the object complement, renaming or describing the direct object "him".

Explanation

She's wearing a beautiful long black dress.

In English, adjectives that describe appearance or quality come before those describing size and color, following the order: opinion, size, age, shape, color, origin, material, and purpose.

Explanation

In linguistics, an adjective is a word that modifies a noun or noun phrase or describes its referent.

Little is used as adjective