/ freɪl; NAmE / adjective ( frail·er , frail·est )
1.
( especially of an old person ) physically weak and thin :
Mother was becoming too frail to live alone.
2.
weak; easily damaged or broken :
the frail stems of the flowers
Human nature is frail.
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WORD ORIGIN
Middle English : from Old French fraile , from Latin fragilis , from frangere to break.