Hard has several vivid synonyms that can enliven your language.
Difficult: This is perhaps the most common synonym for hard. It implies that something requires a great deal of effort, skill, or intelligence to accomplish. For example, “Solving this math problem is difficult.” It suggests a challenge that may take time and perseverance to overcome.
Tough: Tough often conveys a sense of strength and durability. When used to describe a task or situation, it implies that it is not easily dealt with. “The exam was tough.” It can also be used to describe a person who is resilient and able to handle difficult circumstances.
Arduous: Arduous is a more formal word that emphasizes the laboriousness and strenuous nature of a task. “Climbing the mountain was an arduous journey.” It implies a significant amount of physical or mental exertion.
Demanding: Demanding suggests that something requires a lot from a person, such as time, energy, or attention. “The job is very demanding.” It implies that there are high expectations and a need for constant effort.
Formidable: Formidable implies that something is intimidating or causes fear due to its difficulty or power. “The opponent was a formidable challenger.” It suggests that there is a significant obstacle to overcome.
In conclusion, these synonyms for hard can help you express the degree of difficulty or challenge in different ways. Whether you’re writing an essay, giving a speech, or having a conversation, these words can add depth and variety to your language.