How do you pronounce "imperceptible"?

In American English: /ˌɪmpɝˈsɛptɪbəl/ (imp-ur-SEHPT-ib-uhl). In British English: /ɪmpəsˈɛptɪbəl/ (imp-uhs-EHPT-ib-uhl). In Canadian English: /ˌɪmpɝˈsɛptɪbəl/ (imp-ur-SEHPT-ib-uhl). In Australian English: /ɪmpəsˈɛptɪbəl/ (imp-uhs-EHPT-ib-uhl).

Is "imperceptible" pronounced differently in American and British English?

Yes. In American English it's pronounced /ˌɪmpɝˈsɛptɪbəl/ (imp-ur-SEHPT-ib-uhl), while in British English it's /ɪmpəsˈɛptɪbəl/ (imp-uhs-EHPT-ib-uhl).

How to Pronounce "imperceptible"

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imperceptible

regional

/ˌɪmpɝˈsɛptɪbəl/

imp-ur-SEHPT-ib-uhl

Syllable Breakdown

ɪmpim·ɝper·sɛptcep·ɪbti·əlble

Source

80%confidence📘 CMU Pronouncing Dictionary v0.7b

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Last updated: 2026-02-14