French

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Etymology

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From important +‎ -issime.

Pronunciation

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  • IPA(key): /ɛ̃.pɔʁ.tɑ̃.ti.sim/
  • Audio (Canada):(file)

Adjective

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importantissime (plural importantissimes)

  1. very important

Further reading

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Italian

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Adjective

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importantissime

  1. feminine plural of importantissimo