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over-big
over-big adj.
Brit. 
/ˌəʊvəˈbɪɡ/
, /ˌəʊvəˈbɪɡ/U.S. /ˌoʊvərˈbɪɡ/
/ˌoʊvərˈbɪɡ/ΚΠ
1653 R. Saunders Physiognomie 243 The head over-big, or little, as also, over-hairy.
1671 J. Sharp Midwives Bk. vi. iii. 337 The breasts should be of a moderate size..; it is not necessary to have them over-big.
1711 E. Ward Life Don Quixote v. xvii. 327 Tho' the Wound was not o'erbig, It made him bleed like any Pig.
1926 Times 30 July 8/3 He was not a great believer in over-big concerns.
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