insouciance (n.): lack of care or concern; indifference.
prophylaxis (n.): the preventing of disease.
triangulate (adj., v.): composed of or marked with triangles.
semaphore (n., v.): an apparatus for conveying information by means of visual signals, as a light whose position may be changed.
sisal (n.): a Mexican agave plant, Agave sisalana, cultivated for its large fleshy leaves, which yield a stiff fibre used for making rope.
pusillanimous (adj.): lacking courage or resolution; cowardly; faint-hearted; timid.
epistaxiophobia (n.): fear of nosebleeds.
rhabdophobia (n.): Fear of being severely punished or beaten by a rod, or of being severely criticized.
agliophobia (n.): fear of pain.
gymnophobia (n.): fear of nudity.
athazagoraphobia (n.): fear of being forgotten or ignored or forgetting.
gypsum (n.): a very common mineral, hydrated calcium sulfate, CaSO 4 ⋅2H 2 O, occurring in crystals and in masses, soft enough to be scratched by the fingernail: used to make plaster of Paris.
calcaneus (n.): the largest tarsal bone, forming the prominence of the heel.
defenestration (n.): the act of throwing a thing or esp. a person out of a window.
aubergine (n.): a dark purplish color.
definitions from dictionary.reference.com except "cliquetator", which is not a real word. phobia definitions from phobialist.com