Unfortunately Santa isn't coming this year.
The book was, unfortunately, marginally annotated.
This sentence is tantalizingly short.
Example sentence: We play after school.
Some animals are unfortunately transitory.
His last act was unfortunately an ignoble one.
It is a sentence modifier - it limits or qualifies the sense of another word,
Excessive use of social media can have a pernicious effect on mental health.
we unified the groups
He is of Mexican descent
An orange is nice.
I am awesome.
Your penis is very short if you have to ask this.