Definition: Not processed or purified; in a natural state without any improvements or enhancements.

Example: The oil was still unrefined, containing impurities that needed to be removed.

Definition: Something that cannot be taken away or eliminated.

Example: The stain on the carpet is unremovable, no matter how hard I try to clean it.

Definition: Not able to withstand or resist something.

Example: The material is unresistant to heat, so it can easily be damaged by high temperatures.

Definition: Something that has not been examined or evaluated by someone.

Example: The article was published in an unreviewed journal, which means it hasn't been checked by experts.

Definition: To find the answer to a puzzle or mystery, making it clear and understandable.

Example: She was able to unriddle the complex puzzle that had stumped everyone else.

Definition: To become opened or spread out from a rolled position.

Example: The paper will unroll easily if you hold it at both ends.

Definition: To open something that is rolled up so that it can be seen or used.

Example: She decided to unroll the map to find the best route.

Definition: To remove a plant or tree from the ground, including its roots.

Example: The gardener decided to unroot the old tree to make space for new flowers.

Definition: Not fixed in one place; lacking roots or stability.

Example: The unrooted plant struggled to survive in the harsh conditions.

Definition: To remove from its roots or to detach from a fixed position.

Example: The gardener unrooted the old tree to make space for new plants.

Definition: Describing a sound that is made without rounding the lips, often used in phonetics.

Example: The vowel sound in 'bit' is unround, as the lips are not rounded when pronounced.

Definition: To make a sound by keeping the lips flat or neutral instead of rounded.

Example: In phonetics, you can unround a vowel sound to change its pronunciation.

Definition: Not having a smooth or curved shape; having sharp or angular edges.

Example: The unrounded corners of the table made it look modern and sleek.