stupidiousadj.
/stjuːˈpɪdɪəs/, /stʃuːˈpɪdɪəs/, /stjᵿˈpɪdɪəs/, /stʃᵿˈpɪdɪəs/, U.S. /st(j)uˈpɪdiəs/ rare and nonstandard after mid 17th cent.
= stupid adj. (in various senses). Now chiefly: unintelligent, foolish. Cf. stupidous adj.
ΘΚΠ
the mind > mental capacity > lack of understanding > stupidity, dullness of intellect > [adjective]
sloweOE
stuntc960
dullOE
hardOE
stuntlyc1000
sotc1050
dillc1175
dulta1225
simplea1325
heavy1340
astonedc1374
sheepishc1380
dull-witteda1387
lourd1390
steerishc1411
ass-likea1425
brainless?a1439
deafc1440
sluggishc1450
short-witted1477
obtuse1509
peakish1519
wearish1519
deaf, or dumb as a beetle1520
doileda1522
gross1526
headlessa1530
stulty1532
ass-headed1533
pot-headed1533
stupid?1541
sheep's head1542
doltish1543
dumpish1545
assish1548
blockish1548
slow-witted1548
blockheaded1549
surd1551
dull-headed1552
hammer-headed1552
skit-brained?1553
buzzardly1561
witless1562
log-headeda1566
assy1566
sottish1566
dastardly1567
stupidious1567
beetle-headed1570
calvish1570
bluntish1578
cod's-headed1578
grout-headed1578
bedaft1579
dull-pated1580
blate1581
buzzard-like1581
long-eared1582
dullard1583
woodena1586
duncical1588
leaden-headed1589
buzzard1592
dorbellical1592
dunstical1592
heavy-headeda1593
shallow-brained1592
blunt-witted1594
mossy1597
Bœotian1598
clay-brained1598
fat1598
fat-witted1598
knotty-pated1598
stupidous1598
wit-lost1599
barren1600
duncifiedc1600
lourdish1600
stockish1600
thick1600
booby1603
leaden-pated1603
partless1603
thin-headed1603
leaden-skulledc1604
blockhead1606
frost-brained1606
ram-headed1608
beef-witted1609
insulse1609
leaden-spirited1609
asininec1610
clumse1611
blockheadly1612
wattle-headed1613
flata1616
logger-headeda1616
puppy-headeda1616
shallow-patedc1616
thick-brained1619
half-headed1621
buzzard-blinda1625
beef-brained1628
toom-headed1629
thick-witted1634
woollen-witted1635
squirrel-headed1637
clod-pated1639
lean-souled1639
muddy-headed1642
leaden-witteda1645
as sad as any mallet1645
under-headed1646
fat-headed1647
half-witted1647
insipid1651
insulsate1652
soft-headed1653
thick-skulleda1657
muddish1658
non-intelligent1659
whey-brained1660
sap-headed1665
timber-headed1666
leather-headeda1668
out of (one's) tree1669
boobily1673
thoughtless1673
lourdly1674
logger1675
unintelligenta1676
Bœotic1678
chicken-brained1678
under-witted1683
loggerhead1684
dunderheaded1692
unintelligible1694
buffle-headed1697
crassicc1700
numbskulled1707
crassous1708
doddy-polled1708
haggis-headed1715
niddy-noddy1722
muzzy1723
pudding-headed1726
sumphish1728
pitcher-souleda1739
duncey1743
hebete1743
chuckheaded1756
dumb1756
duncely1757
imbecile1766
mutton-headed1768
chuckle-headed1770
jobbernowl1770
dowfarta1774
boobyish1778
wittol1780
staumrel1787
opaquec1789
stoopid1791
mud-headed1793
borné1795
muzzy-headed1798
nog-headed1800
thick-headed1801
gypit1804
duncish1805
lightweight1809
numbskull1814
tup-headed1816
chuckle-pate1820
unintellectuala1821
dense1822
ninnyish1822
dunch1825
fozy1825
potato-headed1826
beef-headed1828
donkeyish1831
blockheadish1833
pinheaded1837
squirrel-minded1837
pumpkin-headed1838
tomfoolish1838
dundering1840
chicken-headed1842
like a bump on a log1842
ninny-minded1849
numbheadeda1852
nincompoopish1852
suet-brained1852
dolly1853
mullet-headed1853
sodden1853
fiddle-headed1854
numb1854
bovine1855
logy1859
crass1861
unsmart1861
off his chump1864
wooden-headed1865
stupe1866
lean-minded1867
duffing1869
cretinous1871
doddering1871
thick-head1873
doddling1874
stupido1879
boneheaded1883
woolly-headed1883
leaden-natured1889
suet-headed1890
sam-sodden1891
dopey1896
turnip-headed1898
bonehead1903
wool-witted1905
peanut-headed1906
peanut-brained1907
dilly1909
torpid-minded1909
retardate1912
nitwitted1917
meat-headed1918
mug1922
cloth-headed1925
loopy1925
nitwit1928
lame-brained1929
dead from the neck up1930
simpy1932
nail-headed1936
square-headed1936
dingbats1937
pinhead1939
dim-witted1940
pea-brained1942
clueless1943
lobotomized1943
retarded1949
pointy-headed1950
clottish1952
like a stunned mullet1953
silly (or crazy) as a two-bob watch1954
out to lunch1955
pin-brained1958
dozy1959
eejity1964
out of one's tiny mind1965
doofus1967
twitty1967
twittish1969
twatty1975
twattish1976
blur1977
dof1979
goofus1981
dickheaded1991
dickish1991
numpty1992
cockish1996
1567 T. Gale Briefe Decl. in tr. Galen Certaine Wks. 26 I thinke there is no man, that is so ignoraunt, or stupidious, that thinketh that to be true.
1615 J. Taylor Revenge ii. sig. A6v Can you, O can your Sences be stupidious And see your selues abused thus perfidious!
a1663 J. Sherman Infallibility Holy Script. (1664) iii. 243 A life very Vertuous, and sometimes vertuous in a stupidious degree.
1895 Capital Jrnl. (Salem, Oregon) 15 Aug. J. M. Hill, of Wisconsin.., said..‘They would go down to ages hand in hand amid execrations of mankind as two of the most stupidious frauds of the century.’
1914 Internat. Steam Engineer 15 Aug. 122/2 Men..must be able to utilize to the greatest efficiency that which has been in the past a stupidious waste.
2016 @MsRedd07 8 Aug. in twitter.com (O.E.D. Archive) The man is stupidious and crazy.
Derivatives
stuˈpidiously adv. rare stupidly; foolishly.
ΘΚΠ
the mind > mental capacity > lack of understanding > stupidity, dullness of intellect > [adverb]
sotly1154
blately1513
grossly?1531
dully1533
blockishly1556
bluntly1557
buzzardly1561
sottishly1566
thickly1574
doltishly1580
witlessly1598
stupidiously1600
brainlessly1610
stupidly?1611
insulsely1637
uncleverly1697
numbskully1708
unintelligently1754
stupid?1757
duncishly1826
stockishly1846
sumphishly1850
simple-mindedly1851
obtusely1863
crassly1883
bovinely1900
unperceptively1935
simplistically1939
obtusively1953
dopily1958
gormlessly1958
1600 Abp. G. Abbot Expos. Prophet Ionah 109 The Saracens and Turkes, who..may not so much as dispute of any point of their religion, and so do beleeve in Mahomet, most grossly and stupidiously.
2007 I know where be Dog in alt.usenet.legends.lester-mosley (Usenet newsgroup) 20 June I stupidiously forgot to attach the attachment.
This entry has been updated (OED Third Edition, June 2019; most recently modified version published online March 2022).
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adj.1567