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Webster 1913 Edition

Imperiously

Im-pe′ri-ous-ly

,

adv.

In an imperious manner.

Webster 1828 Edition

Imperiously

IMPE'RIOUSLY

,

adv.

With arrogance of command; with a haughty air of authority; in a domineering manner.

1.

With urgency or force not to be opposed.

Definition 2025

imperiously

imperiously

English

Adverb

imperiously ‎(comparative more imperiously, superlative most imperiously)

In an imperious manner.

References

imperiously in The Century Dictionary, The Century Co., New York, 1911
imperiously in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913