That was the only time I ever saw him completely serious.
"To write a completely serious play that makes people laugh all the time."
For the last eighty years any fight she found herself in was completely serious, meaning that death could always result.
They were completely serious moral beings living in a world where such terms usually had no content.
Some people I know watch the news and are completely serious.
A moment of silence passed that suggested he was completely serious.
The other thing is that we can no longer put off the language issue but must be completely serious about getting to grips with it.
He had been joking, but the tone of Mary's answer was completely serious.
She looked into his face one more time, and saw that he was completely serious.
"I don't know," she said slowly, completely serious for once.