Except on a specified condition; if not
"Can you use cruel in a sentence?" is a sentence, so yes, unless you mean something else?
One sneeze does not mean that you have swine flu, unless you are a hypochondriac.
Death!Unless your talking about a prison sentence.
not unless it is the first word of the sentence
Not unless it's the first word of a sentence. It is a common noun.
You will get no pudding unless you eat your salad.
Depending on the sentence, not unless could be the correct form.
Yes, the word "Friends" should be capitalized when used as a proper noun or as part of a title, such as in the TV show "Friends." Otherwise, if used as a common noun, it should not be capitalized.
No, you should not capitalize "anxiety" in a sentence unless it is at the beginning of a sentence or part of a title.
No, unless it is at the start of a sentence.
" Unless you dislike that flavor, I could get you a strawberry milkshake. "
Unless anyone writes a better answer this is all your going to get.