Oscitation is a rarely used word that means yawning or being in a drowsy state. There are several synonyms that can be used in place of this word, including bovine lethargy, torpor, stupor, exhaustion, weariness, languor, lethargy, and somnolence. Each of these synonyms has a slightly different connotation, but all refer to the feeling of being tired, sleepy, or unmotivated. When writing, it is important to choose the right word to convey the intended meaning. By using synonyms for oscitation, a writer can add variety to their language and make their text more interesting to read.