presumptuously

From presumptuous +‎ -ly.

presumptuously (comparative more presumptuously, superlative most presumptuously)

1. In a presumptuous manner; arrogantly.

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