Cách sử dụng
The word 'inconstancy' means being unpredictable and changing frequently. You can use this word when you talk about somebody who cannot make up their mind or who changes their behavior often. For example, you might say "Samantha's inconstancy makes it hard to know how she will react to things." Or you could use it to describe a situation that is unstable or inconsistent, saying "The inconstancy of the weather in this region makes it difficult to plan outdoor activities."