pitfall//ˈpɪt.fɔːl//B2Frequency Level 11NeutralNounpitfallSingularpitfallsPlural1A hidden or unsuspected danger or difficulty.Be aware of the pitfalls of investing without proper research.2A covered pit used as a trap for catching animals or enemies.The hunters dug a pitfall to catch wild boars.SynonymtraphazardsnareAntonymsafeguard