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improvisation the act of improvising, or something that has been improvised, esp. in music.
improvisational composed at the time of performance.
improvise to create or provide without preparation or practice, esp. in music, speech, or writing. [4 definitions]
imprudent marked by a lack of awareness or concern for the consequences of one's acts; rash; unwise.
impudence the act or condition of being impudent; insolence. [2 definitions]
impudent tending to cause anger or irritation in others by bold disrespect.
impugn to call into question; challenge or try to discredit.
impugnable combined form of impugn.
impulse a spontaneous or sudden desire that may move one to action. [5 definitions]
impulsion the act of impelling or the state of being impelled. [3 definitions]
impulsive motivated by spontaneous wishes and needs rather than careful thought. [3 definitions]
impunity exemption or immunity from harm, esp. punishment or retribution, as a result of one's actions or words.
impure mixed with or contaminated by other things, esp. of inferior quality; adulterated or polluted. [3 definitions]
impurity the state or condition of being impure. [2 definitions]
imputation attribution to a source or cause. [2 definitions]
impute to ascribe or attribute to a source or cause. [2 definitions]
-in1 any of various chemical substances or minerals, including certain proteins, enzymes, antibiotics, and pharmaceuticals. [2 definitions]
-in2 organized public activity of (such) a type, often as a means of demonstrating approval or protest.
In symbol of the chemical element indium.
IN abbreviation of "Indiana," a Midwestern U.S. state between Illinois and Ohio.
in used to indicate inclusion within a space or area. [12 definitions]