"Unstamped" Natural Recordings by Native Speakers
Without a stamp or postal mark, typically indicating that a letter or package was not paid for or certified.
Unspontaneous refers to something that lacks impulsive or instinctive behavior, an action or decision taken without much thought or consideration. It describes a reaction or behavior that is carefully planned, rehearsed, or contrived, rather than one that arises naturally from the moment.<br><br>Example: "The politician's unspontaneous speech sounded too rehearsed to be believed."<br><br>Synonyms: premeditated, planned, rehearsed, calculated, artificial.<br><br>Antonyms: spontaneous, impulsive, instinctive, unplanned.
Unsportsmanlike or unfair, typically in a game or competition; not showing the qualities of good sportsmanship.
Unspotted refers to something that has remained unchanged or untarnished, often implying a sense of perfection or flawlessness. It can also describe a failure to notice or recognize something, especially a person or thing that has been present all along without being acknowledged.
The word "unstable" typically means something that is not firm or secure, prone to sudden change or fluctuation, or lacking a solid foundation or basis. It can be used to describe a range of things, from unstable molecules or chemical reactions, to unstable weather patterns, or unstable emotions or mental states.<br><br>In essence, "unstable" implies a lack of strength, control, or predictability, which can lead to uncertainty, risk, or sudden change.
Not arranged or layered one upon another, especially in a neat or orderly manner.<br><br>Unstacked items or objects lie or stand separately, without any layering or ordering.
Cannot start or initiate; unable to begin.<br><br> Example: "The unstartable car refused to turn over, even after multiple attempts to crank it."