imbecilic, a.
(ɪmbɪˈsɪlɪk)
[f. imbecile n. + -ic.]
Characteristic of an imbecile; idiotic.
| 1918 D. Flatau Yellow English xxxv, Looking round with an imbecilic grin. 1927 Daily Express 3 Dec. 4 Courteline..collected..the most hideous and imbecilic portraits he could find. 1960 ‘A. Burgess’ Right to Answer ii. 18 There was a kind of imbecilic helper in the public bar. 1968 Punch 7 Feb. 194/1 Extrovert delegates prance about singing, blowing horns and shouting imbecilic slogans. |
Hence imbeˈcilically adv., in an imbecile manner.
| 1946 B. Marshall George Brown's Schooldays 28 Pretended not to pray or looked imbecilically heathen. |