peculiar vs curious

peculiar and curious both are adjectives.

Word	Noun	Adjective	Verb	Adverb
peculiar	No	Yes	No	No
curious	No	Yes	No	No

As adjectives, peculiar and curious are synonyms defined as:

Other synonyms of peculiar include funny, odd, queer, rum, rummy, singular.

peculiar (adjective)	curious (adjective)
characteristic of one only; distinctive or special	eager to investigate and learn or learn more (sometimes about others' concerns)
unique or specific to a person or thing or category	beyond or deviating from the usual or expected
beyond or deviating from the usual or expected
markedly different from the usual; special