1. most physically weak or delicate; most easily broken or damaged
Usage: superlative form of ‘frail’

Examples

• The frailest branch broke first in the storm.
• She was the frailest patient in the hospital ward.
• Even the frailest flower can survive with proper care.
• The frailest part of the structure needed reinforcement.
• He protected the frailest members of his family.
• The frailest excuse won’t work this time.