VocabularyCentral.com - vocabulary words

impromptu
(adj.) without preparation
Her impromptu speech was well-received, giving her new confidence in her ability to speak off the cuff.

improvident
(adj.) not providing for the future
An improvident person may end up destitute in latter life.

impudent
(adj.) disrespectful and shameless
Impudent actions caused him to be unpopular.

impugn
(v.) to attack with words; to question the truthfulness or integrity
The defense lawyer impugned the witness's testimony, which set back the prosecution's case.
If I believe the man is a fraud I will impugn his comments.

imputation
(n.) to charge, to attribute a fault or misconduct to another
The imputation of guilt was made by the judge.

inadvertent
(adj.) not on purpose; unintentional
It was an inadvertent error, to be sure, but nonetheless a mistake that required correction.

inanimate
(adj.) to be dull or spiritless; not animated, not endowed with life
The boy nagged his father for a real puppy, not some inanimate stuffed animal.

inarticulate
(adj.) speechless; unable to speak clearly
He was so inarticulate that he had trouble making himself understood.

inaudible
(adj.) not able to be heard
The signals were inaudible when the fans began to cheer.

incessant
(adj.) constant and unending
The mother gave in to the child after her incessant crying.
Incessant rain caused the river to flood over its banks.

inchoate
(adj.) not yet fully formed; rudimentary
The inchoate building appeared as if it would be a fast-food restaurant.
The outline of the thesis was the inchoate form of a very complex theory.

incidental
(adj.) extraneous; unexpected
The defense lawyer argued that the whereabouts of the defendant's sneakers were only incidental to the commission of the crime.

incisive
(adj.) getting to the heart of things; to the point
His incisive questioning helped settle the matter quickly.

inclined
(adj.) apt to; likely; angled
The man's ear for music indicated he was inclined toward learning an instrument.
The hillside was inclined just enough to make for a fairly serious climb.

incognito
(adj.) unidentified; disguised; concealed
The federal Witness Protection Program makes its charges permanently incognito.

incoherent
(adj.) illogical; rambling; disjointed
Following the accident, the woman went into shock and became incoherent as medics struggled to understand her.

incommodious
(adj.) inconvenient
The incommodious illness caused her to miss an important interview.

incompatible
(adj.) disagreeing; disharmonious not compatible
Being incompatible with each other, children were assigned to sit on opposite sides of the room.

incompetence
(n.) failing to meet necessary requirements
The alleged incompetence of the construction crew would later become the subject of a class-action suit.

inconclusive
(adj.) not final or of a definite result
The results being inconclusive, the doctors continued to look for a cause of the illness.

incorporeal
(adj.) not consisting of matter
The apparition appeared to be incorporeal.

incorrigible
(adj.) not capable of correction or improvement
The mischievous boy was an incorrigible practical joker.

incredulous
(adj.) skeptical
The incredulous look on his face led me to believe he was not convinced of its importance.
The reporter was incredulous on hearing the computer executive's UFO account.

inculcate
(v.) to impress upon the mind, as by insistent urging
I will inculcate the directions if people are unsure of them.

incursion
(n.) an entry into, especially when not desired
The incursion by enemy forces left the country shocked.

indecipherable
(adj.) illegible
The scribbling on the paper is indecipherable.

indelible
(adj.) that which cannot be blotted out or erased
The photograph of Neil Armstrong setting foot on the moon made an indelible impression on all who saw it.