fresh /freʃ/ (adjective) recently produced or picked and not frozen, dried or preserved in tins or cans Example: Eat plenty of fresh fruit and vegetables.
awful /ˈɔːfl/ (adjective) very bad or unpleasant Example: That's an awful colour.
smell /smel/ (verb) to have a particular smell Example: There's something in the fridge that smells mouldy.
sour /ˈsaʊər/ (adjective) having a taste like that of a lemon or of fruit that is not ready to eat Example: She was a sour and disillusioned old woman.
smoky /ˈsməʊki/ (adjective) full of smoke Example: Your clothes smell after being in a smoky bar.
aromatic /ˌærəˈmætɪk/ (adjective) having a pleasant smell that is easy to notice Example: The aromatic spices filled the kitchen with a warm and inviting scent.
acrid /ˈækrɪd/ (adjective) having a strong, bitter smell or taste that is unpleasant Example: The smoke had an acrid smell.
stale /steɪl/ (adjective) no longer fresh and therefore unpleasant to eat Example: The bread was stale and hard.
fishy /ˈfɪʃi/ (adjective) seeming or likely to be wrong, illegal or dishonest Example: That story sounds a little fishy to me.
metallic /məˈtælɪk/ (adjective) that looks, tastes or sounds like metal Example: The robot had a metallic sheen.
oily /ˈɔɪli/ (adjective) containing or covered with oil Example: The pizza was too oily.