somnificadj.
/sɒmˈnɪfɪk/ Causing sleep; somniferous.
ΘΚΠ
the world > physical sensation > sleeping and waking > sleep > [adjective] > causing or inducing sleep
sleepingc1369
sleepy1398
lullingc1440
somnolentc1475
sleepery1513
sleeprife1513
narcotic1526
opiate1543
breed-sleep1582
somnoriferous1583
drowsy1590
dormitive1593
soporiferous1601
somniferous1602
sleep-bringing1605
dormitary1609
hypnotic1625
dormitory1631
papaverous1646
dormant1654
hypnotical1657
somnifyinga1661
sleepifying1662
slumberous1667
soporific1690
somnific1721
somniculous1820
somnorific1865
soporous1866
drowsing1881
narcoleptic1984
1721 N. Bailey Universal Etymol. Eng. Dict. Somnifick, causing sleep.
1727 A. Hamilton New Acct. E. Indies I. xxiii. 278 Others again take somnifick Medicines, and stand by the Pile till they fall on it while asleep.
1775 S. J. Pratt Liberal Opinions (1783) IV. cxxxvi. 254 A somnific fit again overtook him,..and, in the next instant, he was snoring in his chair.
1819 T. Moore Diary VIII. 189 I agree with you that a great part of ‘Lara’ is very prosy and somnific.
1834 R. Southey Doctor I. 9 The voice, the manner, the matter,..were all alike somnific.
This entry has not yet been fully updated (first published 1913; most recently modified version published online December 2019).
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adj.1721