How do I tell my boss I'm unhappy?

The most important thing is to approach the problem calmly and with no frustration. Perhaps you can start by explaining to your boss why is it that you are unhappy. Is it the working atmosphere? Is it the working hours? If you explain it to him thoroughly, chances are he will listen to you, understand your needs and answer appropriately.

Well i had this situation in my office. i explained the reason of my dissatisfaction with honesty and positive attitude. So key to this was Confidence to speak up. But be honest. People respect you.

The best way to tell your boss that you are unhappy by having a private and informal one on one conversation with him, explaining the reasons of your unhappiness.

Come up with a list of things that you think make you unhappy in your workplace go over it a few times and decide what you think are the major points you'd like to make to your boss when your ready ask your boss for a moment alone to talk to him or her about your concerns be as honest as you can w them and hopefully they'll understand where you're coming from and help you out or give you some advice of their own

Talk to your boss, talk to him about your problems which will indirectly tell them that you are unhappy. If not, talk to the HR and they will help you out depending on the work environment.

Just tell them. Ease into it though, don't just come flat out, out of nowhere, and say 'I'm unhappy'. Ease into the conversation and just let him know you aren't happy.

If im not able to deliver according to the requisite of the company I would meet the Boss one on one and tell him, that I am not able to deliver, because of these difficulties and Im not happy for all these reasons and see if there is a possibility of working that problem out.

Sometimes you have to be direct and be clear about how you feel, but say it in a professional and respectful way

One of the best ways to understand one thing your boss is talking assertively. Say "I feel a little uncomfortable in the workplace".

That depends on what you're unhappy about. You may want to ask yourself: what do I want or hope for my boss to do about my situation? Realistically, can they or will they do it? Couch your concerns in the context of wanting to be a better, more productive worker, or in some way that adds value to your services or reduces a burden on your boss. Remember, even a good boss isn't there to be your friend or parent. Their first concern is getting the job done.