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Things obstacle often describes (“obstacle ________”)
course, avoidance, detection, dominance, race, idea, flight, courses, avoiding, walking, behaviour, terrain, controlled, cause
How obstacle often is described (“________ obstacle”)
major, serious, great, greatest, main, chief, only, formidable, insurmountable, insuperable, biggest, real, last, second, principal, important, further, significant, greater, single, primary, unexpected, possible, final, additional, third, legal, big, difficult, fundamental, considerable, potential, powerful, fatal, sole, substantial, key, mechanical, largest, slight, slightest, unforeseen, huge, invincible, obvious, impassable, minor, dangerous, permanent, unsurmountable, immovable, grave, least, enormous, worst, apparent, tremendous, prime, grand, temporary, terrible, fixed, unnecessary, decisive, conceivable, stubborn
Commonly used words are shown in bold. Rare words are dimmed.
Click on a word above to view its definition.
Click on a word above to view its definition.