Uneasiness, n.
1. The quality or state of being uneasy; restlessness; disquietude; anxiety.
2. The quality of making uneasy; discomfort; as, the uneasiness of the road. [Obs.] Bp. Burnet.
Shades of meaning
Fernald lists uneasiness only as an antonym, under ease.
He lists it without comment; the entries above explain its neighbors.
Synonyms
none given