1
adj. Feeling that someone has done something wrong, dishonest or illegal.
2
noun, a substance that can explode.
3
noun, something that makes it difficult for you to go somewhere or do something.
4
noun, a single piece of cotton, wool, hair, etc.
5
noun, a long piece of wood, metal etc.that is used to support weight, for example in the floor of ceiling of a building.