cap-a-pee

Adverb

cap-a-pie (not comparable)

1. From head to toe, especially of armor or other military accoutrements.
   • If twenty thousand naked Americans were not able to resist the assaults of but twenty well-armed Spaniards, I see little possibility for one honest man to defend himself against twenty thousand knaves, who are all furnished cap-a-pie with the defensive arms of worldly prudence, and the offensive...1661–67, Abraham Cowley, The Dangers of an Honest Man in much Company