α.   pre-1700 viddeful,   pre-1700 viddefull,   pre-1700 wid full,   pre-1700 widdefow,   pre-1700 1800s– widdiefow,   pre-1700 1900s– widdifow,   1700s widdiefull,   1700s widdifu,   1700s widdyfou',   1700s widdyfu,   1700s–1800s widdifu',   1700s–1800s widdyfow,   1700s–1800s widdyfu',   1700s–1900s widdiefu',   1800s widdiefoo,   1800s widdifoo,   1800s widdifou,   1800s widdiful  Brit. /ˈwɪdᵻfʊl/, U.S. 
/ˈwɪdəfəl/, Scottish English 
/ˈwɪdᵻfəl/,   1800s widifu,   1800s withifo' (Orkney),   1900s widdifa (Aberdeenshire),   1900s withifu (Orkney),   1900s– widdiefu. 
β. pre-1700 wedefull.
γ. 1800s woodiefu, 1800s woodifu, 1800s woodifu', 1800s wuddiefu', 1900s– woddyfa, 1900s– wuddifu.