straightened

As verbs the difference between straighten and straightened

is that straighten is to cause to become straight while straightened is (straighten).

As a verb straightened

is (straighten).

As a noun straightener is

a pair of metal tongs with heated ceramic plates used for straightening hair.

Straightened is a see also of straitened.

Straitened is a see also of straightened.

As verbs the difference between straitened and straightened

is that straitened is (straiten) while straightened is (straighten).

As an adjective straitened

is squeezed or confined.