Vocabulary challenge last week

This is from last weeks Chapter chap I forget to finish sorry. So the words are to know about is Constructive, Delirious, Infinite, Optimist, Nutritional, and Injustice. So Constructive means having or intended to have us-full, or beneficial purpose. Then Delirious means in an acutely disturbed state, of mind characterized by rest lessness, illusions, and incoherence affected. Infinite means limitless or endless in space, or size impossible to measure or calculate. Optimist means a person who tends to be hopeful confident about the future or the success of something. Nutritional means relating to the process of providing or obtaining the food necessary for heath and growth. Injustice means Lack of fairness or justice.