1. sixth sense a supposed power to know or feel things that are not perceptible by the five senses of sight, hearing, smell, taste, and touch. My sixth sense told me to avoid going home by my usual route. Later I discovered the way was flooded.

2. space cadet a person who is always silly or giddy. He was such a space cadet that he forgot his gloves on the coldest day of the year.

3. American dream the notion that Americans are preoccupied with obtaining certain materialistic goals. The American dream of home ownership, a car in the garage, and a chicken in every pot started in the early thirties.

4. equal to the occasion Capable of handling the situation. Although the students were nervous about the test, the teachers knew they were equal to the occasion.