Words

Insinuate

"What are you trying to insinuate?"

Synonyms:imply, suggest, hint

Insipid

lacking flavour; weak or tasteless

"Mugs of insipid coffee"

lacking vigour or interest

Synonyms:uninteresting, boring, dull

Insouciant

relaxed and happy, with no feelings of worry or guilt

"He sometimes seems insouciant to the point of carelessness"

Synonyms:nonchalant, untroubled, unworried

Instigate

incite someone to do something, especially something bad

Synonyms:incite, encourage, kindle, urge, spur on

Intercession

the action of intervening on behalf of another

Synonyms:mediation, intermediation, negotiation, arbitration, conciliation

Interlude

interval between two events

"Enjoying a lunchtime interlude"

Synonyms:intermission, interval, break

Interminable

Synonyms:endless, unending

Intermingle

mix or mingle together

Synonyms:mix, intermix, mingle, unite

Intermit

suspend or discontinue for a time

Synonyms:abeyance

Interspersed

scatter between other things; place here and there

Synonyms:scatter, distribute, disperse

Intertwined

twist or twine together

Synonyms:entwine, interweave, interwind

Intractable

difficult or impossible to control

Synonyms:obstinate, stubborn, obdurate, inflexible

Intransigent

Synonyms:.

Intricate

complex or detailed

"The novel's plot was intricate"

Synonyms:complicated, convoluted

Antonyms:simple, straightforward

Intrinsically

Synonyms:fundamentally

Intuitive

Synonyms:instinctive

Invalid

a person made weak or disabled by illness or injury

Synonyms:ill, sick, ailing

Invective

insulting or, abusive language

"He let out a stream of invective"

Synonyms:vituperation

Inveigh

speak or write about something with great hostility

Synonyms:fulminate, declaim, protest

Invidious

"The officer was charged with invidious accusations"

Synonyms:unfair, unjust

"She'd put herself in an invidious position"

Synonyms:unpleasant, awkward, difficult, undesirable