adj.
Pronunciation: ' r ə s-t ē
Function: adjective
Inflected Form: rust · i · er ; -est
Date: before 12th century
1 : affected by or as if by rust especially : stiff with or as if with rust
2 : inept and slow through lack of practice or old age
3 a : of the color rust b : dulled in color or appearance by age and use < rusty old boots>
4 : OUTMODED
5 : HOARSE , GRATING
– rust · i · ly \ -t ə -l ē \ adverb
– rust · i · ness \ -t ē -n ə s \ noun