A communication disorder interferes with the ability to produce clearly understandable speech.

His sibilant speech was clearly understandable by Hobarth.

Comprehensibility: the meaning is clearly understandable, unambiguous, interpretable, and recognizable.

The voice, though not human, produced speech that was clearly understandable.

The French was atrocious but it was clearly understandable.

The word was garbled, harsh, breathy, but clearly understandable as her name.

A more promising approach would develop new policies based on clearly understandable American values and interests, rather than obscure considerations of realpolitik.

Its voice was sibilant and weak but clearly understandable.

For no clearly understandable reason, Burke found that his flesh crawled.

"It's clearly understandable that it is our responsibility, more than by law, to make our branches accessible."