i Register
In some senses, roadblock is marked as figuratively, informal, idiomatic. Watch for register when choosing this word.
noun
Something that blocks or obstructs a road.
An obstacle or impediment.
to hit roadblocks
Transgender people face roadblocks in accessing healthcare, and it’s not going away even after archaic rules denying healthcare access to transgender people are lifted and more of us become insured.
verb
To prevent, to hinder.