obstacle

As nouns the difference between thing and obstacle

is that thing is (chiefly|historical) a public assembly or judicial council in a germanic country while obstacle is something that impedes, stands in the way of, or holds up progress.

As nouns the difference between obstacle and consequence

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

As a verb inhibit

is to hinder; to restrain.

As a noun obstacle is

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

As a verb militate

is to give force or effect toward; to influence.

As a noun obstacle is

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

Obstacle is a related term of delay.

As nouns the difference between obstacle and delay

is that obstacle is something that impedes, stands in the way of, or holds up progress while delay is a period of time before an event occurs; the act of delaying; procrastination; lingering inactivity.

As a verb delay is

to put off until a later time; to defer or delay can be (obsolete) to dilute, temper.

As a noun obstacle

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

As an adjective optical is

of, or relating to sight; visual.

Obstacle is a synonym of obstuction.

As nouns the difference between scuttle and obstacle

is that scuttle is a container like an open bucket (usually to hold and carry coal) or scuttle can be a small hatch or opening in a boat also, small opening in a boat or ship for draining water from open deck or scuttle can be a quick pace; a short run while obstacle is something that impedes, stands in the way of, or holds up progress.

As a verb scuttle

is (nautical) to cut a hole or holes through the bottom, deck, or sides of (as of a ship), for any purpose or scuttle can be to move hastily, to scurry.