The antonyms for "were lazy" are "energetic," "industrious," "productive," "diligent," "hardworking," "motivated," "zealous," "ambitious," "enterprising," and "active." These words convey a sense of enthusiasm, focus, and dedication that is the opposite of laziness. When someone is described as energetic, it means that they have high levels of physical or mental activity, while an industrious person is constantly working hard to achieve their goals. A diligent individual is known for their careful and persistent work, and a motivated person has a strong drive to succeed. In short, being lazy is the opposite of being productive and successful, and these antonyms demonstrate the value of hard work and determination.