Words similar to alas

Example sentences for: alas

How can you use “alas” in a sentence? Here are some example sentences to help you improve your vocabulary:

… The chances of failure are, alas, much greater, and two in a row look like carelessness."
Alas, such close encounters have not generally been friendly.
He did not, alas, illuminate the inexplicable horror with which modern English speakers regard this venerable practice.
Gandhi would be the perfect person to consult about civil disobedience as it pertains to taxes but, alas, it is impossible to contact him.
You'd think that all this would just add interest--who needs more artificial sunniness from television, anyway?--but Felicity , alas, is no Ingmar Bergman movie, or even a Quentin Tarantino one, and the darkness just turns some delightful teen-age fare into an exercise in viewer masochism.