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singular
adjective
°Being only one of a larger population.
"A singular experiment cannot be regarded as scientific proof of the existence of a phenomenon."
°Being the only one of the kind; unique.
noun
°A form of a word that refers to only one person or thing.
synonyms: individual, unique, exceptional, extraordinary more» , remarkable, curious, eccentric, funny, odd, peculiar, strange, rum, rummy, unusual, non-invertible