Adjectives for Obstacle

Words used to describe Obstacle
fatal; stubborn; frightful; infrequent (plural); specific; unexpected; artificial; successful; puny; impending; considerable; practical; impassable; solid-looking; stupendous; petty; insuperable; unforeseen; hideous; apparent; tremendous; insurmountable; appalling; usual; effectual; recognized; hopeless; formidable; technical; trifling; prodigious; imaginary; unseen; serious.