| adjective | beyond or deviating from the usual or expected “a curious hybrid accent” |
| adjective | unique or specific to a person or thing or category “the particular demands of the job” |
| adjective | markedly different from the usual; ; -Virginia Woolf “a peculiar hobby of stuffing and mounting bats” |
| adjective | characteristic of one only; distinctive or special; - R.B.Taney “the peculiar character of the Government of the U.S.” |
| curiousness | noun | the quality of being alien or not native |
| curiosity | noun | something unusual -- perhaps worthy of collecting |
| oddity | noun | something unusual -- perhaps worthy of collecting |
| peculiarity | noun | something unusual -- perhaps worthy of collecting |
| queerness | noun | a strange attitude or habit |
| singularity | noun | strangeness by virtue of being remarkable or unusual |
| particularity | noun | the quality of being particular and pertaining to a specific case or instance |
| specialness | noun | a distinguishing trait |