handfastly
advEtymology From handfast + -ly.
1
Obsolete In a handfast manner
- the Scots would most holilie and handfastlie promise , the English would forthwith depart with a quiet armie1577, Raphaell Holinshed, The Firste Volume of the Chronicles of England, Scotlande, and Irelande […], volume I, London: […] [Henry Bynneman] for Iohn Harrison, →OCLC: