blundersome

Apt or prone to cause blunders; troublesome; difficult; problematic.

The disciples were proud, blundersome, quick tempered, forgetful, easily provoked to jealousy, sensitive, and often given to discouragement; but Jesus never condemned or scolded them.

Laborious experiment to discover the facts about our environment is wearisome to all but a persistent few. Surely all this blundersome experimenting can be by-passed by some more direct route to the heart of nature?

Characterised or marked by blunders or mistakes; messed-up.

She could not scold the Idiot whatever blundersome thing he did; her compassion for him was limitless to encompass his lack of intelligence.

We open with the girl, born premature and blundersome (asthmatic, pigeon-toes, a crooked nose)—hardly the cynosure her genes could've produced.