Select the most appropriate synonym of the given word.

Fatigue

Tiredness

The most appropriate synonym of the given word Fatigue is Tiredness.

• Fatigue means a state of weariness or tiredness, especially as a result of prolonged physical or mental exertion.
• Tiredness means the state of being tired.

The two words are similar in that they both suggest the idea of being worn out or exhausted. However, the word fatigue has a more specific meaning, as it specifically refers to being worn out or exhausted as a result of prolonged physical or mental exertion. The word tiredness has a more general meaning, and can be used to refer to any kind of tiredness, regardless of whether it is caused by exertion or not.

In the sentence "I was so fatigued after the long hike that I could barely move," the speaker is not just saying that they were tired, but that they were also worn out or exhausted as a result of the long hike. Therefore, the word "tiredness" is the most appropriate synonym for the word "fatigue" in this context.

The other words on the list are not as appropriate synonyms for fatigue. The word feebleness means lack of strength or energy. The word loaf means to spend time idly or without purpose. The word effort means a conscious exertion of power, especially to achieve a desired end. These words do not convey the same sense of being worn out or exhausted as the word tiredness.