No, it's an adverb. The adjective is heavy.
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
probable is an adjective
Stable is an adjective.
Severe is an adjective.
No, the word 'heavily' is an adverb, a word that modifies a verb, an adjective, or another adverb.Example: He sank heavily into a chair after his ordeal.
Not usually. Heavy is an adjective. It modifies a noun. e.g . "a heavy cat." Heavily is an adverb. It modifies a verb. "He sighed heavily." There are, however, rare uses of 'heavy' as an adverb, most commonly where the verbs 'weigh' and 'lie' and 'hang' are used.
The adjective form of burden is burdened. I traveled with a heavily burdened cart. (Burdened is, of course, a past participle of the verb to burden, but past participles can also be used as adjectives.)
No. Pants is a noun, or a verb form (to pant).
The word 'burly' is an adjective, a word that describes a noun as strongly and heavily built. Example:A burly man needs a burly chair for comfort.
The superlative of heavily is "most heavily."
"Great", "greater", and "greatest" are all adjectives, more particularly the normal, comparative, and superlative degrees of the root adjective "great".
No, it is not a preposition. The word plodded is a past tense verb, and may be used as an adjective.
No, it is not. It is the present participle of the verb (to plod) and can be used as an adjective (e.g. a plodding pace).
No, it is not. Traveling (also travelling) is the present participle of the verb to travel and can be a verb form, a participial, a noun, or an adjective/noun adjunct (as in traveling salesman).
It can be, but only as the superlative form of "heavy" used as an adverb. Heavy, heavier, and heaviest are all normally adjectives. But in some rare uses, both heavy and its comparatives can be used as adverbs. e.g. The snow is falling heavier than before. (more heavily) Time hangs heaviest on their shoulders. (most heavily)
Comparative Form- more heavilySuperlative Form- most heavily