Antonyms for Fresh (opposite meaning)
WordNet sense 1 (containing or filled with salt):
saltyWordNet sense 2 (prevented from decaying or spoiling and prepared for future use):
preservedWordNet sense 3 (having or disintegrated; usually implies foulness):
rottenWordNet sense 4 (showing deterioration from age):
staleFrom the ODE community, based on WordNetadd/edit