Bash means to strike something with great force, like when a baseball player bashes a home run over the fence or when waves bash against rocky cliffs during a storm. You might bash a piñata at a birthday party, swinging the stick hard to break it open.

The word suggests real power and impact. When something gets bashed, it takes a serious hit. A hockey player might bash the puck toward the goal, or strong winds might bash tree branches against your window during a thunderstorm.

People also use bash to mean harsh criticism. If a movie critic bashes a new film, they're attacking it strongly and publicly, tearing it apart. When people bash someone's ideas, they're attacking them harshly rather than discussing them fairly.

Interestingly, bash can also mean a lively party or celebration, like throwing a birthday bash or attending an end-of-year bash. In this case, it suggests something energetic and fun, though the connection to the hitting meaning isn't clear. This meaning is less common in everyday conversation, but you might see it on party invitations or hear adults talking about hosting a bash for a special occasion.