sure (adj.)
loyal, trustworthy, steadfast
1H4 III.i.1[Mortimer to all] These promises are fair, the parties sure, / And our Induction full of prosperous hope
Cor I.i.170[Martius to Citizens] You are no surer, no, / Than is the coal of fire upon the ice
Cym I.vii.139.1[Iachimo to Innogen] I ... will continue fast to your affection, / Still close as sure
MA I.iii.63[Don John to Borachio and Conrade] You are both sure, and will assist me?
SHAKESPEARE'S WORDS © 2018 DAVID CRYSTAL & BEN CRYSTAL