dubitative

As adjectives the difference between perplexed and dubitative

is that perplexed is confused or puzzled while dubitative is tending to doubt; doubtful.

As a verb perplexed

is past tense of perplex.

As adjectives the difference between interrogative and dubitative

is that interrogative is asking or denoting a question; pertaining to inquiry; questioning: as, an interrogative phrase, pronoun, or point; an interrogative look or tone of voice while dubitative is tending to doubt; doubtful.

As a noun interrogative

is (grammar) a word (pronoun, pronominal adjective, or adverb) implying interrogation, or used for asking a question: why, who, when, etc.

As a noun taxonomy

is the science or the technique used to make a classification.

As an adjective dubitative is

tending to doubt; doubtful.

Dubitative is a related term of dubitation.

As an adjective dubitative

is tending to doubt; doubtful.

As a noun dubitation is

(uncountable) the process of doubting or the state of being in doubt; hesitation, uncertainty.