Lethargic feeling is a state of being characterized by a lack of energy and motivation. It is often associated with depression and can be caused by a variety of factors, such as physical illness or emotional distress. Two words that are commonly used to describe this feeling are MALAISE (7 letters) and BLAH (4 letters). MALAISE is defined as a general feeling of discomfort, uneasiness, or depression, while BLAH is an informal term for a feeling of boredom, apathy, or listlessness.