WordReference Random House Learner's Dictionary of American English © 2015
rust•y1 /ˈrʌsti/USA pronunciation   adj., -i•er, -i•est. 
  1. covered with rust.
  2. of or tending toward the color rust.
  3. having lost agility;
    out of practice:Because he hadn't played baseball in the last few years, he was rusty.
rust•i•ness, n. [uncountable]

WordReference Random House Unabridged Dictionary of American English © 2015
rust•y1  (rustē), 
adj., rust•i•er, rust•i•est. 
  1. covered with or affected by rust.
  2. consisting of or produced by rust.
  3. of or tending toward the color rust;
  4. faded or shabby;
    impaired by time or wear, as clothes or drapery.
  5. impaired through disuse or neglect:My Latin is rusty.
  6. having lost agility or alertness; out of practice:I am a bit rusty at tennis.
  7. (of a sound) grating or harsh.
Etymology:bef. 900;
Middle English rusti, Old English rūstig;
rust, -y1
rusti•ly, adv. 
rusti•ness, n. 

rust•y2  (rustē), 
adj., rust•i•er, rust•i•est. 
  1. restive;
    stubborn:a rusty horse.
  2. Slang Terms[Chiefly Dial.]ill-tempered;
apparently special use of rusty1;
but compare obsolete resty restive

Rus•ty  (rustē), 
  1. a male or female given name.

Collins Concise English Dictionary © HarperCollins Publishers::

rusty /ˈrʌstɪ/ adj (rustier, rustiest)
  1. covered with, affected by, or consisting of rust: a rusty machine, a rusty deposit
  2. of the colour rust
  3. discoloured by age: a rusty coat
  4. (of the voice) tending to croak
  5. old-fashioned in appearance; seemingly antiquated: a rusty old gentleman
  6. out of practice; impaired in skill or knowledge by inaction or neglect
  7. (of plants) affected by the rust fungus

ˈrustily adv ˈrustiness n

'rusty' also found in these entries:
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