1felicitous
very well suited or expressed
2flag
become unsteady, feeble, or spiritless; lose vigor
3fledgling
immature or inexperienced; new; young
5flout
reject mockingly; show contempt for; scoff at; disregard scornfully
6foment
promote growth or development; stir up; instigate/stimulate/provoke
7forestall
prevent by taking action in advance
8frenetic
wildly agitated, uncontrolled
9gainsay
take exception to; contradict/deny/oppose
11grandiloquent
lofty in style; using inflated language; pompuous / bombastic
12harangue
intense verbal attack; passionate, vehement speech
13heterodox
disagreeing with accepted beliefs
14homogeneity
uniformity of structure or composition; formation out of similar elements; similarity/sameness
15hyperbolic
excessively exaggerated; inflated beyond reason
16iconoclastic
attacking cherished traditions; rebellious; nonconformist
17idosyncrasy
individual trait, usually odd in nature; quirk
18idolatrous
blindly devoted; excessively adoring; idol-worshipping
19idyllic
charmingly carefree and simple
20illusory
deceptive; false
21impassive
without feeling
22imperiousness
overbearing manner; domineering attitude
23impermeable
not permitting passage through its substance
24imperturbable
marked by extreme calm; composed
25impervious
incapable of being damaged or distressed; incapable of being affected
26implacable
unable to be appeased
27implicit
understood, but not directly stated; implied
28impregnable
difficult to refute; capable of conceiving
29inchoate
not fully formed; lacking order
30inconsequential
insignificant; inconsequential
31indeterminate
not clearly fixed; uncertain / undefined / vague
33inert
incapable of reacting chemically; inactive
34ingenuous
naive and trusting
35innocuousness
harmlessness; inoffensiveness
36insensible
incapable of feeling; unresponsive
37insularity
narrow-mindedness; provinciality
38intractable
not easily governed, managed, or directed
39intransigence
refusal of any compromise
40inundate
cover with a flood
41inured
accustomed; hardened
42invective
insult or abuse; verbal attack; violent censure
43irascible
quick to become angry
44irresolute
uncertain how to act
45lachrymose
given to tears or weeping
46lassitude
a condition of weariness or debility; lack of energy
47latent
potential but undeveloped; dormant; hidden
48loquacious
full of excessive talk
50luminous
emitting or reflecting or glowing light