unthankingadj.
Not giving thanks (for something); ungrateful.
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the mind > emotion > gratitude > ingratitude > [adjective]
unkindc1300
slowful1484
unthankful1499
unthankfulc1500
ingrate1528
thankless1536
ungrate1548
ingrateful1553
ungrateful1553
grateless1577
unacknowledging1611
unthanking1902
1902 R. Kipling Five Nations (1903) 138 Arid, aloof, incurious, unthinking, unthanking, gelt.
1932 G. K. Chesterton Chaucer i. 36 We may sometimes be unthinking about it; unthinking and especially unthanking.
This entry has not yet been fully updated (first published 1986; most recently modified version published online June 2019).
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adj.1902