"Blunderingly" is a word in ENGLISH

To cause to blunder.

A gross error or mistake, resulting from carelessness, stupidity, or culpable ignorance.

To move in an awkward, clumsy manner; to flounder and stumble.

Confusion; disturbance.

To make a gross error or mistake; as, to blunder in writing or preparing a medical prescription.

To do or treat in a blundering manner; to confuse.

A stupid, blundering fellow.

of Blunder

One who is apt to blunder.

A stupid, blundering fellow.

of Blunder

Characterized by blunders.

Having a large head, like a buffalo; dull; stupid; blundering.

A grotesque blunder in language; an apparent congruity, but real incongruity, of ideas, contained in a form of expression; so …

Partaking of the nature of a bull, or a blunder.

A clumsy or awkward performance; a botch; a gross blunder.

A doing, or perpetration, in a bad sense, as of a crime or blunder; commission.

dispárate, disparátis - (Sp. disparate) Nonsense, absurdity, extravagance, blunder, slip, mistake, stupidity; superstition, superstitious belief or practice, (cf. binúang, binabáylan, …

To err; to blunder, to commit a fault; to do wrong.

A wiseacre; a person deficient in wisdom; -- so called from Gotham, in Nottinghamshire, England, noted for some pleasant blunders.