Using bombastic or pretentious wording or language.
nomophylax
nomophylax
noun
(historical) A magistrate, in ancient Greece, who was the custodian of the texts of the law.
phantoplex
phantoplex
noun
(historical, chiefly attributive) A superposed circuit operated by alternating current over a simplex, duplex or quadruplex circuit operated from direct current sources.
sphinxlike
sphinxlike
adj
Like a sphinx, or like that of a sphinx. Especially, not showing emotion
Mysterious; scheming; having a deceptive outward appearance
xanthophyl
xanthophyl
noun
Dated form of xanthophyll.
xylophagan
xylophagan
noun
Any wood-boring marine bivalve of the genus Xylophaga, which bores into wood.
xylophones
xylophones
noun
plural of xylophone
verb
Third-person singular simple present indicative form of xylophone