obstacle

As a letter s

is the letter s with a.

As a noun obstacle is

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

Obstacle is a related term of end.

As nouns the difference between obstacle and end

is that obstacle is something that impedes, stands in the way of, or holds up progress while end is a key that when pressed causes the cursor to go to the last character of the current line.

As nouns the difference between reversal and obstacle

is that reversal is the state of being reversed while obstacle is something that impedes, stands in the way of, or holds up progress.

As an adjective reversal

is intended to reverse; implying reversal.

As a noun obstacle

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

As a verb barrio is

.

As nouns the difference between obstacle and congestion

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

As a noun obstacle

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

As a letter x is

the twenty-fourth letter of the.

As a symbol x is

voiceless velar fricative.

As nouns the difference between obstacle and obscuration

is that obstacle is something that impedes, stands in the way of, or holds up progress while obscuration is the state of being obscured.

As nouns the difference between obstacle and assistance

is that obstacle is something that impedes, stands in the way of, or holds up progress while assistance is aid; help; the act or result of assisting.

As a noun obstacle

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

As an adjective false is

(label) one of two states of a boolean variable; logic.

As a noun obstacle

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

As a verb challenges is

.