"Undefeated" Natural Recordings by Native Speakers
Having won all the matches, contests, or competitions that one has entered; unbeaten.
Not announced or revealed; neither acknowledged nor denied; unacknowledged or unexpressed.<br><br>Example: "The committee's involvement in the scandal remained undeclared until a former member came forward with the truth."
Undecylenic refers to a fatty acid found in castor oil, which is derived from the seeds of the castor oil plant (Ricinus communis). It has antimicrobial and antifungal properties, and is often used as an ingredient in cosmetics and skincare products due to its moisturizing and anti-inflammatory effects.
Immeasurable or impossible to express in words; beyond the limits of language or description.
Ungraded<br><br>Not divided into separate parts or layers; not stratified.<br><br>Example: "The ungraded sand on the beach was hot to the touch."