Synonyms of the word

stumbler

• n. Agent noun of stumble; one who stumbles.

blunderer

• n. One who blunders.

botcher

• n. (obsolete) A person who mends things, especially such a cobbler or tailor.
• n. A clumsy or incompetent worker; a bungler.
• n. A young salmon; a grilse.

bumbler

• n. Someone who bumbles; a stumbler or blunderer.

bungler

• n. Someone who makes mistakes because of incompetence.

butcher

• n. A person who prepares and sells meat (and sometimes also slaughters the animals).
• n. (figuratively) A brutal or indiscriminate killer.
• n. (Cockney rhyming slang, from butcher's hook) A look.
• n. (informal, obsolete) A person who sells candy, drinks, etc. in theatres, trains, circuses, etc.
• v. (transitive) To slaughter (animals) and prepare (meat) for market.
• v. (transitive) To kill brutally.
• v. (transitive) To ruin (something), often to the point of defamation.
• adj. comparative form of butch: more butch.

footer

• n. (archaic) A footgoer; pedestrian.
• n. (computing) A line of information printed at the bottom of a page as identification of the document (compare…
• n. (in combination) something that is a stated number of feet in some dimension - such as a six-footer.
• n. (in combination) someone who has a preference for a certain foot - such as right-footer/left-footer.
• n. (chiefly Britain, slang) Football / soccer.
• v. (Ireland and Scotland, slang) To meddle with or pass time without accomplishing anything meaningful.

fuckup

• n. (vulgar) A serious mistake.
• n. (vulgar, pejorative) One who continually makes mistakes.
• n. (vulgar, pejorative) An ineffective person.

fumbler

• n. Agent noun of fumble; one who fumbles.

incompetent

• adj. Unskilled, lacking normally expected degree of ability.
• adj. Unable to make rational decisions, insane or otherwise cognitively impaired.
• adj. (medicine) an incompetent cervix is one that opens too early in pregnancy, provoking the baby to be born.
• n. A person who is incompetent.

pedestrian

• adj. (not comparable) Of or intended for those who are walking.
• adj. (comparable) Ordinary, dull; everyday; unexceptional.
• n. Somebody walking rather than using a vehicle; somebody traveling on foot on or near a roadway.

tripper

• n. One who trips or stumbles.
• n. A person experiencing a hallucinogenic trip.
• n. (Britain) A tourist.

walker

• n. The agent noun of to walk: a person who walks or a thing which walks, especially a pedestrian or a participant…
• n. A walking frame.
• n. (often in the plural) A shoe designed for comfortable walking.
• n. A person who walks (or waulks) cloth, that is, who fulls it.
• n. A male escort who accompanies a woman to an event.