enigmatic :: obscure; puzzling
equitable :: fair; impartial
erotic :: pertaining¹ to passionate² love
eugenic :: pertaining to the improvement of race
ex officio :: by virtue³ of one"s office
explicit :: definite; open
febrile :: feverish
fiduciary :: pertaining to a position of trust
fluted :: having vertical⁴ parallel grooves⁵ (as in a pillar)
fulgent :: beaming; radiant
garrulous :: loquacious⁶; wordy
gauche :: clumsy; boorish
generic :: characteristic of a class or species
germinal :: pertaining to a germ; creative
hermetically :: sealed by fusion⁷ so as to be airtight
hortatory :: encouraging
hyperborean :: situated⁸ in extreme north; arctic; cold
idiosyncratic :: private; peculiar⁹ to an individual
illusive :: deceiving
impalpable :: imperceptible; intangible
imperturbable :: calm; placid
imponderable :: weightless
importunate :: urging; demanding
impotent :: weak; ineffective
incongruous :: not fitting; absurd
incontinent :: lacking self-restraint; licentious
incredulous :: withholding¹⁰ belief; skeptical
inductive :: pertaining to induction¹¹ or proceeding¹² from the specific to the general
ineluctable :: irresistible¹³; not to be escaped
insouciant :: indifferent; without concern or care
interlocutory :: conversational¹⁴; intermediate, not final
internecine :: mutually destructive
intractable :: unruly; refractory
irksome :: repetitious; tedious
irrefragable :: not to be disproved; indisputable
jejune :: lacking interest; barren; meager
kinetic :: producing motion
lachrymose :: producing tears
laudable :: praiseworthy; commendable
lissome :: agile¹⁵; lithe
ludicrous :: laughable; trifling
maladroit :: clumsy; bungling
manifold :: numerous; varied
mawkish :: sickening; insipid
militant :: combative¹⁶; bellicose
minatory :: threatening
morganatic :: describing a marriage between a member of a royal family and a commone
myopic :: nearsighted
nascent :: incipient¹⁷; coming into being
nautical :: pertaining to ships or navigation
neap :: lowest
nubile :: marriageable
obligatory :: binding¹⁸; required
obstreperous :: boisterous¹⁹; noisy
omnipresent :: universally present; ubiquitous
optimum :: most favorable
orotund :: having a round, resonant²⁰ quality; inflated²¹ speech
overweening :: presumptuous²²; arrogant
parlous :: dangerous; perilous
pass?:: old-fashioned; past the prime
pathological :: pertaining to disease
pejorative :: having a deteriorating or depreciating effect on the meaning of a word