It was obvious from his tone that he was upset.

Well, thank you, Captain Obvious, for pointing out the obvious.

The solution to the puzzle was surprisingly non-obvious, requiring a shift in perspective.

The identity was obvious by inspection, so the students moved on to the next problem.

It was painfully obvious that he hadn't read the report, given the repeated errors.

When she pointed out that the meeting started at nine, we all rolled our eyes and called her the master of the obvious.

His warning that we should bring umbrellas came from the Department of the Bleeding Obvious.

The obviousness of her argument surprised everyone in the room.

She obviously had rehearsed her speech because it flowed so smoothly.

Despite the obviousnesses of their mistakes, the team continued to ignore the warnings.