If "corto" means "short":
* Largo: This is the most common opposite, meaning "long".
* Extenso: This means "extensive" or "lengthy", which is another way to express "long".
If "corto" means "short" in terms of distance or height:
* Largo: This would still be the most common opposite, meaning "long".
* Alto: This means "tall" and would be used for height.
* Lejano: This means "far" and would be used for distance.
If "corto" means "short" in terms of time:
* Largo: This would still be the most common opposite, meaning "long".
* Duradero: This means "lasting" or "enduring" and would be used for a longer period of time.
If "corto" means "short" in terms of something being lacking or incomplete:
* Completo: This means "complete" or "full".
* Suficiente: This means "sufficient" or "enough".
It's important to consider the context of the word "corto" to determine the most accurate opposite.