1. the state or habit of yawning; drowsiness or sleepiness.
Usage: formal; rare
2. inattention or carelessness; mental sluggishness or dullness.
Usage: formal; archaic

Examples

• The student's oscitancy during the lecture was evident from his repeated yawning.
• After a long day of work, a wave of oscitancy washed over her.
• The speaker's monotone voice induced oscitancy in the audience.
• His oscitancy in reviewing the contract led to costly mistakes.
• The warm afternoon sun brought on a pleasant oscitancy.
• The judge noted the defendant's oscitancy and lack of engagement in the proceedings.