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  - insolence
  - insolent
  - insolently
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  - insolvent
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  - insomniac
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insomniac

UK:^*^*UK and possibly other pronunciationsUK and possibly other pronunciations/ɪnˈsɒmniæk/US:USA pronunciation: IPA and respellingUSA pronunciation: IPA/ɪnˈsɑmniˌæk/ ,USA pronunciation: respelling(in som′nē ak′)

insomniac
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Synonyms:

victim of insomnia, bad sleeper, poor sleeper

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insomniac