The antonyms for the phrase "lowers boom" include "raises boom," "increases growth," "stimulates the economy," "boosts business," and "spurs expansion." These terms refer to the opposite of an economic downturn, characterized by decreased trade, slowed production, and low levels of investment. Instead, the antonyms focus on growth and prosperity, indicating a period of heightened activity and increased opportunities for businesses and individuals to thrive. By using these antonyms, we can describe economic conditions that are vibrant, strong, and promising, emphasizing the positive aspects of growth and development within society.