Definition: Not blocked or hindered; clear and open.

Example: The road was unobstructed, allowing for smooth traffic flow.

Definition: Not having been treated with oil, often referring to machinery or tools that require lubrication to function properly.

Example: The machine was running poorly because it was unoiled for too long.

Definition: Describing blood that does not have oxygen in it.

Example: The doctor explained that unoxygenated blood returns to the heart from the body.

Definition: Not forming part of a pair or not matched with another similar item.

Example: The unpaired sock was left alone in the drawer.

Definition: Not affected by parasites; free from parasitic organisms.

Example: The researchers studied the effects of the treatment on unparasitized plants.

Definition: Not fully examined or explored; something that has not been measured or tested thoroughly.

Example: The scientist presented unplumbed theories that could change our understanding of the universe.

Definition: Describing light or waves that do not have a specific direction of vibration or orientation.

Example: The unpolarized light passed through the lens without any change in its properties.

Definition: Not subjected to pressure; lacking pressure.

Example: The unpressurized cabin allowed for a more comfortable flight experience.

Definition: Not prepared or made ready for use or action.

Example: The unprimed canvas was waiting for the artist to start painting.

Definition: Not examined or investigated; something that has not been explored or analyzed.

Example: The unprobed areas of the forest may hold many secrets.