PITFALL
pit, pitfall
(noun) a trap in the form of a concealed hole
pitfall, booby trap
(noun) an unforeseen or unexpected or surprising difficulty
Source: WordNet® 3.1
Etymology
Noun
pitfall (plural pitfalls)
(figurative) A potential problem, hazard, or danger that is easily encountered but not immediately obvious.
Synonym: trap
(literal) A type of trap consisting of a concealed hole in the ground: victims fall into the hole and are unable to escape.
(computing) An antipattern.
Synonyms: antipattern, dark pattern
Hyponyms
• ifs, ands, or buts
Source: Wiktionary
Pit"fall`, n.
Definition: A pit deceitfully covered to entrap wild beasts or men; a trap
of any kind. Sir T. North.
Source: Webster’s Unabridged Dictionary 1913 Edition