11-Letter Adjectives Starting With I

Here's the list of all the 276 11-Letter Adjectives Starting With I in the English Language.

The list is arranged by the word lengths. Click on the length below to jump to the relevant section of the page.

Common Adjectives (with Definitions and Examples)
independent
1. free from external control and constraint
2. (of a clause) capable of standing syntactically alone as a complete sentence
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interesting
1. arousing or holding the attention
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interactive
1. capable of acting on or influencing each other
2. used especially of drugs or muscles that work together so the total effect is greater than the sum of the two (or more)
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interracial
1. between races
2. involving or composed of different races
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implemented
1. forced or compelled or put in force
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intelligent
1. having the capacity for thought and reason especially to a high degree
2. possessing sound knowledge
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incorporate
1. formed or united into a whole
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informative
1. tending to increase knowledge or dissipate ignorance
2. serving to instruct or enlighten or inform
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interpreted
1. understood in a certain way; made sense of
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inexpensive
1. relatively low in price or charging low prices
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influential
1. having or exercising influence or power
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incremental
1. increasing gradually by regular degrees or additions
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illuminated
1. provided with artificial light
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interrupted
1. discontinued temporarily
2. intermittently stopping and starting
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intentional
1. characterized by conscious design or purpose
2. done or made or performed with purpose and intent
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ineffective
1. not producing an intended effect
2. lacking in power or forcefulness
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ideological
1. of or pertaining to or characteristic of an orientation that characterizes the thinking of a group or nation
2. concerned with or suggestive of ideas
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intravenous
1. within or by means of a vein
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imaginative
1. (used of persons or artifacts) marked by independence and creativity in thought or action
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inefficient
1. lacking the ability or skill to perform effectively; inadequate
2. not producing desired results; wasteful
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involuntary
1. not subject to the control of the will
2. controlled by the autonomic nervous system; without conscious control
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insensitive
1. not responsive to physical stimuli
2. deficient in human sensibility; not mentally or morally sensitive
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integrative
1. combining and coordinating diverse elements into a whole
2. tending to consolidate
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indifferent
1. marked by a lack of interest
2. showing no care or concern in attitude or action
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interfering
1. intrusive in a meddling or offensive manner
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incompetent
1. legally not qualified or sufficient
2. not qualified or suited for a purpose
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intervening
1. occurring or falling between events or points in time
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intensified
1. made more intense
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impractical
1. not practical or realizable; speculative
2. not practical; not workable or not given to practical matters
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intoxicated
1. stupefied or excited by a chemical substance (especially alcohol)
2. as if under the influence of alcohol
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intimidated
1. made timid or fearful as by threats
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instructive
1. serving to instruct or enlighten or inform
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innumerable
1. too numerous to be counted
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illustrious
1. widely known and esteemed
2. having or conferring glory
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irrevocable
1. incapable of being retracted or revoked
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imperialist
1. of or relating to imperialism
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irreducible
1. incapable of being made smaller or simpler
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intolerable
1. incapable of being tolerated or endured
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inadvertent
1. happening by chance or unexpectedly or unintentionally
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inseparable
1. not capable of being separated
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immunologic
1. of or relating to immunology
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intractable
1. not tractable; difficult to manage or mold
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inquisitive
1. showing curiosity
2. inquiring or appearing to inquire
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instinctive
1. unthinking; prompted by (or as if by) instinct
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invalidated
1. deprived of legal force
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irreparable
1. impossible to repair, rectify, or amend
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inescapable
1. impossible to avoid or evade
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impassioned
1. characterized by intense emotion
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inalienable
1. not subject to forfeiture
2. incapable of being repudiated or transferred to another
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interfacial
1. relating to or situated at an interface
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industrious
1. characterized by hard work and perseverance
2. working hard to promote an enterprise
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implausible
1. having a quality that provokes disbelief
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inoperative
1. not working or taking effect
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indivisible
1. impossible of undergoing division
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ineffectual
1. not producing an intended effect
2. producing no result or effect
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inessential
1. not basic or fundamental
2. not absolutely necessary
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inequitable
1. not equitable or fair
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inscrutable
1. of an obscure nature
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impermeable
1. preventing especially liquids to pass or diffuse through
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irrefutable
1. impossible to deny or disprove
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incongruous
1. lacking in harmony or compatibility or appropriateness
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inattentive
1. not showing due care or attention
2. showing a lack of attention or care
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inexcusable
1. without excuse or justification
2. not excusable
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inferential
1. relating to or having the nature of illation or inference
2. of reasoning; proceeding from general premisses to a necessary and specific conclusion
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incredulous
1. not disposed or willing to believe; unbelieving
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introverted
1. given to examining own sensory and perceptual experiences
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indomitable
1. impossible to subdue
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infuriating
1. extremely annoying or displeasing
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ipsilateral
1. on or relating to the same side (of the body)
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incontinent
1. not having control over urination and defecation
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interlacing
1. linked or locked closely together as by dovetailing
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inoffensive
1. not causing anger or annoyance
2. giving no offense
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inspiratory
1. pertaining to the drawing in phase of respiration
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invigorated
1. with restored energy
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inestimable
1. beyond calculation or measure
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11-Letter Adjectives Starting With I