 | Term | Definition |
| |
intrude |
To come in without leave or license. |
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intrusion |
The act of entering without warrant or invitation; encroachment. |
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intuition |
Instinctive knowledge or feeling. |
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inundate |
To fill with an overflowing abundance. |
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inundation |
Flood. |
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inure |
To harden or toughen by use, exercise, or exposure. |
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invalid |
Having no force, weight, or cogency. |
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invalid |
One who is disabled by illness or injury. |
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invalidate |
To render of no force or effect. |
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invaluable |
Exceedingly precious. |
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invariable |
Unchangeable. |
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invasion |
Encroachment, as by an act of intrusion or trespass. |
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invective |
An utterance intended to cast censure, or reproach. |
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inveigh |
To utter vehement censure or invective. |
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inventive |
Quick at contrivance. |
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inverse |
Contrary in tendency or direction. |
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inversion |
Change of order so that the first shall become last and the last first. |
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invert |
To turn inside out, upside down, or in opposite direction. |
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investigator |
One who investigates. |
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investor |
One who invests money. |
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inveterate |
Habitual. |
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invidious |
Showing or feeling envy. |
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invigorate |
To animate. |
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invincible |
Not to be conquered, subdued, or overcome. |
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inviolable |
Incapable of being injured or disturbed. |
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invoke |
To call on for assistance or protection. |
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involuntary |
Unwilling. |
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involution |
Complication. |
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involve |
To draw into entanglement, literally or figuratively. |
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invulnerable |
That can not be wounded or hurt. |
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inwardly |
With no outward manifestation. |
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iota |
A small or insignificant mark or part. |
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irascible |
Prone to anger. |
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irate |
Moved to anger. |
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ire |
Wrath. |
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iridescence |
A many-colored appearance. |
| |
iridescent |
Exhibiting changing rainbow-colors due to the interference of the light. |
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irk |
To afflict with pain, vexation, or fatigue. |
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irksome |
Wearisome. |
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irony |
Censure or ridicule under cover of praise or compliment. |
| |
irradiance |
Luster. |
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irradiate |
To render clear and intelligible. |
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irrational |
Not possessed of reasoning powers or understanding. |
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irreducible |
That can not be lessened. |
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irrefragable |
That can not be refuted or disproved. |
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irrefrangible |
That can not be broken or violated. |
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irrelevant |
Inapplicable. |
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irreligious |
Indifferent or opposed to religion. |
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irreparable |
That can not be rectified or made amends for. |
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irrepressible |
That can not be restrained or kept down. |
