OSCITANT
Source: 566, 567
oscitant. Oscitant, a. yawning, sleepy, sluggish, heavy, dull
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Os″ci‐tant (?), a. [[L. oscitans, -antis, p. pr. of oscitare: cf. F. oscitant.]] 1. 1. Yawning; gaping.
2. 2. Sleepy; drowsy; dull; sluggish; careless.
He must not be oscitant, but intent on his charge. Barrow.