frail

Short definition from Wiktionary

Adjective

1. 1
   Easily broken physically; not firm or durable; liable to fail and perish.
2. 2
   Weak; infirm.
3. 3
   In an infirm state leading one to be easily subject to disease or other health problems, especially regarding the elderly.
4. 4
   Mentally fragile.
5. 5
   Liable to fall from virtue or be led into sin; not strong against temptation; weak in resolution; unchaste.

Noun

1. 1
   A girl.
2. 2
   A basket made of rushes, used chiefly to hold figs and raisins.
3. 3
   The quantity of fruit or other items contained in a frail.
4. 4
   A rush for weaving baskets.
5. 5
   Synonym of farasola (“old unit of weight”).
6. 6
   Synonym of flail.

Verb

1. 1
   To play a stringed instrument, usually a banjo, by picking with the back of a fingernail.