Unlikely, though it ends in -LY, is an adjective, not an adverb. (*while "likely" can be either an adjective or adverb, e.g. He will likely join us, the use of "unlikely" as an adverb requires constructions that are virtually never seen in modern English)
Cautious IS an adjective. An adjective is an action!
No, it is an adjective. There are some verbs that may seem to be modified by unbroken (e.g. Though poorly packaged, the glasses arrived unbroken)...but it refers to the noun.
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.
The word though (although) is a conjunction.
It can be an adjective, noun, or a verb. It is mostly an adjective, though.
It is both a noun and an adjective. It normally is used as a noun though.
It can be used as one, in a sentence such as:The oval shadow was large.Where shadow is the noun and oval is the adjective describing it.Usually though, oval is a noun. It CAN be used as an adjective though.
The phrase "even though" (though, although) is a conjunction, used to create a dependent clause.
encouraging. it can be a verb to though
It can be. It's more commonly a verb, though.
'Like' can be both an adverb and an adjective. It can also be a noun, a verb, and a preposition. Recently it has also started to be used as a conjunction in place of 'as' or 'as though', though that usage is considered ungrammatical.
Nope, it's an adjective. Reflection is a noun, though.
relaxing: adjective, relax: verb and relaxation: noun. No idea for the adverb, though.
back stabber, for example. Simply put, two words which together modify a noun, though neither is an adjective.
There is no adjective here. There are a few prepositional phrases though.