The word "brainish" is an adjective that describes someone or something that acts quickly without thinking carefully. It is not commonly used in modern English and is considered archaic, which means it is old-fashioned and not often heard today.
When someone is described as "brainish," it means they might make decisions too quickly or do things without really considering the consequences. Imagine someone who decides to buy an expensive item on a whim or hugs a stranger without knowing them—these are examples of brainish behavior.
In literature or more formal writing, "brainish" might be used to discuss themes of impulsiveness or the consequences of hasty decisions.
While "brainish" primarily refers to hasty actions, it can also imply a lack of maturity or wisdom in decision-making.
Although "brainish" itself does not have related idioms or phrasal verbs, you might consider phrases that convey similar meanings: - "Jumping the gun" (acting too soon) - "Biting off more than one can chew" (taking on too much without thought)
In summary, "brainish" refers to acting hastily and without careful thought.