irresponsibly

From irresponsible +‎ -ly or ir- +‎ responsibly.

• (Received Pronunciation) IPA^(key): /ˌɪ.ɹɪˈspɒn.sə.bli/
• (General American) IPA^(key): /ˌɪ.ɹɪˈspɑːn.sə.bli/

• Audio (Southern England):

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irresponsibly (comparative more irresponsibly, superlative most irresponsibly)

1. In an irresponsible manner; so as to be irresponsible.
   • 1875, Henry James, Roderick Hudson, Boston, Mass.: J. R. Osgood:

     He had frequent fits of melancholy in which he declared that he was neither fish nor flesh nor good red herring. His was neither an irresponsibly contemplative nature nor a sturdily practical one, and he was for ever looking in vain for the uses of the things that please and the charm of the things that sustain.

• responsibly

• William Dwight Whitney, Benjamin E[li] Smith, editors (1911), “irresponsibly”, in The Century Dictionary […], New York, N.Y.: The Century Co., →OCLC.
• “irresponsibly”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.