She knew that she was unreasonably happy; and she did not mind.

The past weeks have been so unreasonably happy-suchhappiness mustn't be let go.

The house in which the cause of disturbance had so long been unreasonably happy was closed.

I was happy to think so-madly, unreasonably happy.

I'm intensely, consistently, unreasonably happy .

Howard was unreasonably happy that afternoon.

She was intensely, unreasonably happy.

When Jean Paget stepped down the gangway from the Constellation on to Darwin airport she was wildly and unreasonably happy.

Her children were all married and reasonably happy, except the youngest, who was unreasonably happy; but time would make that all right.

And sometimes he was so unreasonably happy he had to whistle and sing, and sometimes he was incredibly, but not at all painfully, sad.