reluctance
A feeling of not really wanting to do something.
Reluctance is the feeling of not wanting to do something, even if you know you probably should. It's that hesitation before jumping into a cold pool, or the pause before raising your hand to answer a question when you're not completely sure of the answer.
When you act with reluctance, you're moving forward but without enthusiasm or eagerness. A student might show reluctance about giving a presentation in front of the class, not because they're refusing, but because speaking in public makes them nervous. A child might eat vegetables with reluctance, taking small, slow bites rather than diving in eagerly.
You might feel reluctant to apologize after an argument, reluctant to admit you were wrong, or reluctant to try something new and unfamiliar.
Reluctance differs from outright refusal. When you're reluctant, you're still willing to act, just not happily or quickly. Someone who does something reluctantly might sigh, drag their feet, or need gentle encouragement. It's the opposite of eagerness or enthusiasm: that holding-back feeling that comes before finally taking action.