Synonyms for «major obstacle»

main significant important primary minor huge key principal biggest potential serious great chief top fundamental massive common difficult substantial first hard technical real critical largest multiple political possible numerous several daunting additional essential crucial tough enormous remaining next overwhelming various urgent stumbling last small heavy considerable extra certain tremendous

obstacles impediment hindrance barrier obstruction roadblocks hurdles challenge objections difficulty trouble struggle drawback problem disadvantage road task opposition dilemma issue setback inconvenience limitation frustration block hassle bottleneck conflict deterrent pitfalls goal way blockages concern constraint adversity threat endeavor face battle hardship danger complication annoyance burden opponent path undertaking nuisance job