Webster's Revised Unabridged Dictionary · 1913

Infelicity

Infelicity , noun

[Latin infelicitas: compare French infélicité. See In- not, and Felicity.]

1.
The state or quality of being infelicitous; unhappiness; misery; wretchedness; misfortune; lack of suitableness or appropriateness. — I. Watts
Whatever is the ignorance and infelicity of the present state, we were made wise and happy. — Glanvill
2.
That (as an act, word, expression, etc.) which is infelicitous; as, infelicities of speech.