The evergreen trees in the forest remained lush and green even in the dead of winter, providing a haven for wildlife. What does the word "evergreen" mean?

The smile on the saint's face in the painting was beatific, conveying a sense of inner peace and happiness. What does the word "beatific" mean?

She had a qualm about traveling alone to a foreign country, but she decided to go anyway. What does the word "qualm" mean?

The complaisant hotel staff went out of their way to accommodate the demanding guest's every request. What does the word "complaisant" mean?

Despite the overwhelming evidence against him, the defense attorney claimed that there was still a scintilla of doubt about the defendant's guilt. What does the word "scintilla" mean?

Despite her high salary, Sarah was frugal with her expenses and managed to save a significant amount of money each month. What does the word "frugal" mean?