The word "ennuiing" refers to the state of being bored or feeling a sense of dissatisfaction with one's current state. Synonyms for this word include boredom, tedium, monotony, listlessness, lassitude, apathy, and lethargy. Each of these terms describe a feeling of lack of stimulation or interest, and can be used interchangeably with ennuiing to convey the same sense of weariness or disinterest. It is important to note that while these words are similar in meaning, they can have nuances that differentiate them from one another. Understanding these nuances can help to better convey the specific feeling of boredom or dissatisfaction being experienced.