It can be. Less can be a noun (a lesser amount), an adjective, a preposition (without), or an adverb (the comparative form of little).
Examples:
"We know less about the new species than the others."
"I work less during winter."
No, it is a conjunction, or less defintively a preposition. The similar word "then" can be an adverb.
It can be, as in "he ran ahead" (ran where). It is less clearly an adverb in uses such as "he was ahead in the race" or "the path ahead is clear."
Adverb
It can be an adverb or an adjective.
adverb
No. In the pair, likely is an adjective, and less is an adverb. Likely by itself can be an adverb, as in they'll likely fail.
No, it is a conjunction, or less defintively a preposition. The similar word "then" can be an adverb.
It is widely used as an adverb. It can also be a conjunction, meaning "after." It is less clearly an adjective.
No, it is an adverb of time. It refers to a frequency (less than often), or not usually.
The word less is an adjective. It can also be an adverb and a verb.
Little is usually an adjective, but it may be used as an adverb: He speaks little and knows less.
It can be, when the word less means "minus" or "except." Example: The total, less the tax, is one hundred dollars. Otherwise less, without an object, is an adjective, adverb, or noun.
Foolishly is an adverb, yes.Some example sentences are:Foolishly, I rejected the offer.He foolishly sold the antique for less than its value.
The noun addiction has the adjective form additional and the adverb form additionally (in addition).The less-common related adjective and adverb are the derivatives additive and additively.
It can be, as in "he ran ahead" (ran where). It is less clearly an adverb in uses such as "he was ahead in the race" or "the path ahead is clear."
It can be, as in "he ran ahead" (ran where). It is less clearly an adverb in uses such as "he was ahead in the race" or "the path ahead is clear."
The word normal is an adjective and less frequently a noun. The adverb form is normally (usually, commonly, typically).