ninnyismn.
/ˈnɪnɪɪz(ə)m/, U.S. /ˈnɪniˌɪz(ə)m/ colloquial.
Behaviour characteristic of a ninny; foolishness; a ninnyish quality or act.
ΘΚΠ
the mind > mental capacity > lack of understanding > stupidity, dullness of intellect > [noun] > stupid deed, thought, etc. > practice of
sotting1583
ninnery1600
ninnyism1804
boobyism1805
twattery?1979
1804 Spirit of Public Jrnls. 7 94 We shall never do well till a commission of ninnyism is grantable.
1826 Blackwood's Edinb. Mag. 20 419 Our gorge rises at the namby-pamby ninnyism.
1846 B. R. Hall Something for Everybody xxiv. 97 Shame! that any should plead for clerical ninnyism.
1986 Nation (Nexis) 27 Sept. 272 Every week I seem to read..another study confirming a shocking level of geographical ninnyism among the young.
1992 Harper's Mag. Apr. 28/1 A ninnyism. Once again, Carol becomes a nincompoop.
2001 Canad. Business (Nexis) 6 Aug. 80 My challenge to many of you executives..is to incorporate a Day-like wilful ninnyism into your typically messianic self-regard.
This entry has been updated (OED Third Edition, September 2003; most recently modified version published online March 2022).
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n.1804