IPA: /ˈfreɪlər/
KK: /ˈfreɪlər/
This word describes someone or something that is weaker or more delicate than usual.
After her illness, she felt frailer than before.
Frailer → It is formed from "frail" (from Old French *frêle*, meaning weak or delicate) and "-er" (meaning a person who). The word "frailer" refers to a person or thing that is more weak or delicate than another.
Think of someone who is 'more weak' or 'delicate' — 'frail' means weak, and '-er' indicates a person or thing that has that quality to a greater degree.