Sickishness refers to a vague feeling of physical discomfort, often characterized by mild nausea, fatigue, and a general sense of unwellness. Synonyms for sickishness include queasiness, malaise, unease, and indisposition. Queasiness is a feeling of nausea or sickness in the stomach, while malaise refers to a general feeling of discomfort or unease. Unease refers to a feeling of discomfort or nervousness, while indisposition refers to a slight illness or incapacity. Other possible synonyms for sickishness include discomfort, uneasiness, and unease. Whatever the synonym used, sickishness can be a frustrating and unpleasant experience and should be treated accordingly to alleviate any discomfort.