slipperilyadv.
/ˈslɪpərɪli/ In a slippery manner. Chiefly figurative.
ΘΚΠ
the mind > mental capacity > knowledge > secrecy, concealment > stealthy action, stealth > [adverb]
softlyc1225
by stalea1240
privilya1250
slylyc1275
thieflyc1290
stealingly13..
by stealth1390
stalworthlya1400
theftfullyc1400
theftlyc1400
theftuouslyc1400
under veilc1425
thievishly?c1450
by theft1488
quietly1488
furtively1490
by surreption1526
hugger-muggera1529
in hugger-mugger1529
underhand1538
insidiously1545
creepingly1548
surreptiously1573
underboard1582
filchingly1583
sneakingly1598
underwater1600
slipperily1603
thief-likea1625
clandestinely1632
surreptitiously1643
thievously1658
clancularly1699
stownlins1786
stealthily1806
underhandedly1806
stolen-wise1813
on (upon, under, or by) the sly1818
round-the-corner1820
underhanded1823
stealthfully1828
slinkingly1830
slippingly1830
on the sneak?1863
sneakishly1867
behind backs1874
stalkingly1891
on the side1893
under the counter1926
underground1935
under the table1938
down and dirty1959
sneakily1966
1603 Contin. Adv. Don Sebastian in Harl. Misc. (Malh.) II. 401 He missed certain papers..which were slipperily conveyed away.
a1635 R. Sibbes Heavenly Conf. (1656) 36 When we have..dealt slipperily with him.
1681 H. More Plain Expos. Daniel vi. 196 Many shall joyn themselves to them slipperily, not firmly and sincerely.
1736 R. Ainsworth Thes. Linguæ Latinæ I. (at cited word)
1845 E. Robinson Whitehall II. xx. 224 Hoofs clattered slipperily.
This entry has not yet been fully updated (first published 1912; most recently modified version published online March 2019).
<
adv.1603