what does atrophy mean in the following words?

return
improve
weaken
unite

In the context of the following words:

1. Return: Atrophy in this context means to deteriorate or gradually weaken, typically due to underuse or neglect. For example, if someone stops exercising and their muscles become weaker, their muscle strength may atrophy.

2. Improve: In this context, atrophy means the opposite of improvement. It refers to the decline or decrease in the quality or effectiveness of something. For instance, if someone stops practicing a skill, their abilities may atrophy.

3. Weaken: Atrophy in this context means to become weaker or diminish in strength or effectiveness. If something weakens and loses its vigor over time, it can be said to have atrophied.

4. Unite: Atrophy in the context of uniting means the opposite of coming together or consolidating. It implies a weakening or breakdown of unity, cohesion, or harmony. When relationships or bonds deteriorate, they can be said to atrophy.