obstacle

As an adjective haphazard

is random; chaotic; incomplete; not thorough, constant, or consistent.

As a noun obstacle is

something that impedes, stands in the way of, or holds up progress.

As nouns the difference between hardships and obstacle

is that hardships is while obstacle is something that impedes, stands in the way of, or holds up progress.

As nouns the difference between object and obstacle

is that object is a thing that has physical existence while obstacle is something that impedes, stands in the way of, or holds up progress.

As a verb object

is to disagree with something or someone; especially in a Court of Law, to raise an objection.

As nouns the difference between encumbrance and obstacle

is that encumbrance is something that encumbers; a burden that must be carried while obstacle is something that impedes, stands in the way of, or holds up progress.

As nouns the difference between conflict and obstacle

is that conflict is A clash or disagreement, often violent, between two opposing groups or individuals while obstacle is something that impedes, stands in the way of, or holds up progress.

As a verb conflict

is To be at odds (with); to disagree or be incompatible.

As nouns the difference between obstacle and null

is that obstacle is something that impedes, stands in the way of, or holds up progress while null is zero, nil; the cardinal number before einn.

As nouns the difference between prohibitive and obstacle

is that prohibitive is (linguistics) negative imperative while obstacle is something that impedes, stands in the way of, or holds up progress.

As an adjective prohibitive

is tending to prohibit, preclude, or disallow.

As nouns the difference between obstacle and frontier

is that obstacle is something that impedes, stands in the way of, or holds up progress while frontier is that part of a country which fronts or faces another country or an unsettled region; the marches; the border, confine, or extreme part of a country, bordering on another country; the border of the settled and cultivated part of a country; as, the frontier of civilization.

As an adjective frontier is

lying on the exterior part; bordering; conterminous.

As a proper noun Frontier is

an unincorporated community in Minnesota.

As nouns the difference between fetter and obstacle

is that fetter is a chain or similar object used to bind a person or animal – often by its legs (usually in plural) while obstacle is something that impedes, stands in the way of, or holds up progress.

As a verb fetter

is to shackle or bind up with fetters.

As nouns the difference between context and obstacle

is that context is the surroundings, circumstances, environment, background or settings that determine, specify, or clarify the meaning of an event or other occurrence while obstacle is something that impedes, stands in the way of, or holds up progress.

As a verb context

is (obsolete) to knit or bind together; to unite closely.

As an adjective context

is (obsolete) knit or woven together; close; firm.