These are the words that dictionaries want to ditch to make room for 2000 some odd additions — essential terms like “bling” and “OMG” no doubt. I love old, little used words like these. My favorite is muliebrity: the condition of being a woman. Now if I can figure out how to use that in a sentence. Link.
Abstergent: Cleansing
Agrestic: Rural
Apodeictic: Unquestionably true by virtue of demonstration
Caducity: Perishableness
Caliginosity: Dimness
Compossible: Possible in coexistence with something else
Embrangle: To confuse
Exuviate: To shed
Fatidical: Prophetic
Fubsy: Squat
Griseous: Somewhat grey
Malison: A curse
Mansuetude: Gentleness
Muliebrity: The condition of being a woman
Niddering: Cowardly
Nitid: Bright
Olid: Foul-smelling
Oppugnant: Combative
Periapt: An amulet
Recrement: Refuse
Roborant: Tending to fortify
Skirr: A whirring sound, as of the wings of birds in flight
Vaticinate: Prophesy
Vilipend: To treat with contempt