OBSTACLE Synonyms: 78 Similar and Opposite Words - Merriam-Webster
https://www.merriam-webster.com/thesaurus/obstacle
WEBSynonyms for OBSTACLE: hurdle, obstruction, embarrassment, barrier, impediment, interference, hindrance, handicap; Antonyms of OBSTACLE: incentive, impetus, advantage, stimulus, catalyst, spur, edge, assistance
DA: 78 PA: 95 MOZ Rank: 21