Gentlemanly is a adjective that describes someone who is polite and kind. They are usually careful not to offend or hurt other people, and they try to behave in a respectful way.
A gladiator is a person who competes in the arena in order to win money or fame. They usually fight in pairs, and the winner is the person who can survive the longest.
An impregnable fortress is a structure or system that is very difficult to attack or penetrate. This means that the fortress is very difficult to take or break through.
When something is cashless, it is not related to money. This might mean that the system is based on cards or electronic systems instead of cash.
A workaholic is someone who spends too much time working instead of spending time with their family or friends. They often feel guilty and overwhelmed because they are not spending enough time with the people that they care about.
A fireball is a very bright light in the sky. They can be either natural or man-made.
To reexamine something is to look at it again, to decide that you want to change your opinion about it. You might reexamine your decision to go to college, or your decision to get married.
A deathbed is a moment or occasion when a person is about to die. This can happen at any time, but it is usually a very emotional and difficult experience.