string-, strict-, strain-, -stringence, -stringency, -stringe, -stringent

1. Tiredness of the eyes because of over use or the use of improper corrective lenses.
2. Pain and fatigue of the eyes, often accompanied by a headache, resulting from prolonged use of the eyes, uncorrected defects of vision, or an imbalance of the eye muscles.

1. The state of being constrained, bound, or obliged.
2. That which constrains or obliges; an obligation; a bond.

1. The level of respect at which one is regarded by others; standing in society.
2. A person's high standing among others; honor or esteem.
3. Widely recognized prominence, distinction, or importance.
4. Etymology: from Latin praestigiae, "deceptions, illusions, jugglers' tricks; dissimilated from praestrigiae from praestringere, "to bind fast, to tie up; to dull the eyesight, to dazzle"; from prae "before" and stringere, "to draw tight, to bind".

A decrease in the diameter of the pupil of the eye.

1. Relating to the part of a town or city where brothels and other commercial sex-based activities are concentrated.

From the red lights traditionally displayed in the doors and windows of brothels. Note: there is no explanation in the dictionary as to why they "displayed" the "red lights".

2. An area or district in a city in which many houses of prostitution are located [1890-95; allegedly so called because brothels displayed red lights].

At least in the U.S., some say the origin of the red light comes from the red lanterns carried by railway workers, which were left outside brothels when the workers entered, so that they could be quickly located when the trains were ready to leave.

1. To prevent someone or oneself from doing something.
2. To keep someone or something under control or within limits: "The police were finally able to restrain the violence in the neighborhood."
3. To physically control the movements of a person or animal: "They had to restrain the dog before he hurt someone."
4. To put someone in prison or otherwise take away his or her freedom.

1. Capable of being restrained.
2. The ability to keep under control, or to keep in check.

With restraint or with limitation.

1. The act or process of restraining, or of holding back or hindering from motion or action, in any manner.
2. A hindrance of the will, or of any action, physical or mental.

1. A person who directs and restrains.
2. A chemical that is added to a photographic developer in order to retard development and reduce the amount of fog on a film.

1. An act or the quality of holding back, limiting, or controlling something: "Although severely agitated, she showed admirable restraint in not retaliating."
2. Something that controls or limits someone or something: "The country tried to impose trade restraints."
3. Something that is fastened to limit someone's freedom of movement.
4. A loss or abridgment of freedom.
5. An influence that inhibits or restrains; a limitation.
6. Control or repression of feelings; a constraint.

1. To keep, or to confine, something within fixed limits.
2. To confine, or to keep, within limits; as, of space, action, choice, intensity, or quantity.

1. The act of keeping something within specified bounds; by force if necessary.
2. A principle that limits the extent of something; for example, "He was willing to accept certain restrictions on his movements."
3. An act of limiting or restricting; as, by regulation or limitation.