UNHAP'PINESS, noun 1. Misfortune; ill luck. 2. Infelicity; misery. It is our great unhappiness when any calamities fall upon us, that we are uneasy and dissatisfied. [But it usually expresses less than misery or wretchedness.] 3. Mischievous prank. [Not in use.]
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI