To try to do something challenging or difficult.

small alteration or movement made to achieve desired fit or result. Small changes to attain a desired state or function.

place where person's foot can be lodged to support them securely. Place providing support for the foot when climbing.

action of inspecting or looking at something. To watch or see something, e.g. show on television.

minimum or starting point used for comparisons.

lack or shortage. Lack of something that is necessary.

going from place to place. action of going from one place to another. To go to a place that is far away.

To prevent from happening.

(Husband, wife) living apart but still married. cause to move or be apart.

opening that gives access. Places where you enter houses or other buildings.

controlled by a single authority. To locate efforts, energy into one place or thing.

Group of things organized in a particular way.

traveller on public or private conveyance other than driver or crew.

Made for use by one single person. single human being.

Nearly the same; alike. person or thing similar to another.