Meanings of inadvertently hilarious in inglés

I kept a diary the whole time, and it's inadvertently hilarious.

The best of the worst, however, are inadvertently hilarious.

Iran has test fired missiles in the past for propaganda effect -sometimes with inadvertently hilarious results.

Some of this evidence was inadvertently hilarious.

Current automated subtitling is patchy to say the least when it comes to speed and accuracy and often delivers downright odd and inadvertently hilarious results.

It touches on home movies, experimentalism, industrial and educational films (including an inadvertently hilarious nuclear-alert propaganda plug for the paint industry) and documentaries.