insignificant
— Adjective
– English
～ devoid of importance, meaning, or force
insincere
— Adjective
– English
～ lacking sincerity; "a charming but thoroughly insincere woman"; "their praise was extravagant and insincere"
insinuating
— Adjective
– English
～ calculated to please or gain favor; "a smooth ingratiating manner"
insipid
— Adjective
– English
～ lacking taste or flavor or tang; "a bland diet"; "insipid hospital food"; "flavorless supermarket tomatoes"; "vapid beer"; "vapid tea"
insipid
— Adjective
– English
～ lacking interest or significance or impact; "an insipid personality"; "jejune novel"
insistent
— Adjective
– English
～ repetitive and persistent; "the bluejay's insistent cry"
insistent
— Adjective
– English
～ demanding attention; "clamant needs"; "a crying need"; "regarded literary questions as exigent and momentous"- H.L.Mencken; "insistent hunger"; "an instant need"
insolent
— Adjective
– English
～ unrestrained by convention or propriety; "an audacious trick to pull"; "a barefaced hypocrite"; "the most bodacious display of tourism this side of Anaheim"- Los Angeles Times; "bald-faced lies"; "brazen arrogance"; "the modern world with its quick material successes and insolent belief in the boundless possibilities of progress"- Bertrand Russell
insolent
— Adjective
– English
～ marked by casual disrespect; "a flip answer to serious question"; "the student was kept in for impudent behavior"
insoluble
— Adjective
– English
～ (of a substance) incapable of being dissolved
insoluble
— Adjective
– English
～ without hope of solution; "an insoluble problem"
insoluble
— Adjective
– English
～ admitting of no solution or explanation; "an insoluble doubt"
insolvable
— Adjective
– English
～ not easily solved; "an apparantly insolvable problem"; "public finance...had long presented problems unsolvable or at least unsolved"- C.L.Jones
insolvent
— Adjective
– English
～ unable to meet or discharge financial obligations; "an insolvent person"; "an insolvent estate"
insomniac
— Adjective
– English
～ experiencing or accompanied by sleeplessness; "insomniac old people"; "insomniac nights"; "lay sleepless all night"; "twenty watchful, weary, tedious nights"- Shakespeare
insouciant
— Adjective
– English
～ marked by blithe unconcern; "an ability to interest casual students"; "showed a casual disregard for cold weather"; "an utterly insouciant financial policy"; "an elegantly insouciant manner"; "drove his car with nonchalant abandon"; "was polite in a teasing nonchalant manner"
inspirational
— Adjective
– English
～ imparting a divine influence on the mind and soul
inspiratory
— Adjective
– English
～ pertaining to the drawing in phase of respiration
inspired
— Adjective
– English
～ being of such surpassing excellence as to suggest inspiration by the gods; "her pies were simply divine"; "the divine Shakespeare"; "an elysian meal"; "an inspired performance"
awe-inspiring
— Adjective
– English
～ inspiring awe or admiration or wonder; "New York is an amazing city"; "the Grand Canyon is an awe-inspiring sight"; "the awesome complexity of the universe"; "this sea, whose gently awful stirrings seem to speak of some hidden soul beneath"- Melville; "Westminster Hall's awing majesty, so vast, so high, so silent"