imperceptive

== English == === Etymology === From im- + perceptive. === Pronunciation === Rhymes: -ɛptɪv === Adjective === imperceptive (comparative more imperceptive, superlative most imperceptive) Unable to perceive. ==== Derived terms ==== === References === William Dwight Whitney, Benjamin Eli Smith, editors (1895–1910), “imperceptive”, in The Century Dictionary and Cyclopedia: […], New York, N.Y.: The Century Co., →OCLC. “imperceptive”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.