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Webster 1828 Edition

Unthankfully

UNTHANK'FULLY

,

adv.

Without thanks; without a grateful acknowledgment of favors.

Definition 2024

unthankfully

unthankfully

English

Adverb

unthankfully ‎(comparative more unthankfully, superlative most unthankfully)

In an unthankful way; ungratefully.