| BIBLIOPHILISM | • bibliophilism n. A love of books. • BIBLIOPHILISM n. love of books.
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| BIPARTISANISM | • bipartisanism n. Bipartisanship. • BIPARTISANISM n. the state of being bipartisan.
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| IMPASSABILITY | • impassability n. The state or quality of being impassable. • IMPASSABILITY n. the state of being impassable.
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| IMPASSIBILITY | • impassibility n. The state or condition of being impassible. • IMPASSIBILITY n. the state of being impassible.
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| IMPERMISSIBLE | • impermissible adj. Not permissible; not to be permitted or allowed. • IMPERMISSIBLE adj. not permissible.
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| IMPERMISSIBLY | • impermissibly adv. (Chiefly law) In a way or to an extent that is not permissible. • IMPERMISSIBLE adv. not permissible.
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| IMPOSSIBILISM | • impossibilism n. A belief in unrealizable or impractical policies. • impossibilism n. (Politics, Marxism) A socialist doctrine that stresses the limited value of political, economic, and…
 • impossibilism n. (Philosophy) The view that free will does not exist and is simply impossible.
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| IMPOSSIBILIST | • impossibilist n. A proponent of impossibilism. • IMPOSSIBILIST n. one who believes in or advocates an impracticable policy.
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| IMPOSSIBILITY | • impossibility n. Something that is impossible. • impossibility n. (Uncountable) The quality of being impossible.
 • impossibility n. (Obsolete) The state of being unable to do something.
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| POPMOBILITIES | • POPMOBILITY n. a form of exercise that combines aerobics in a continuous dance routine, performed to pop music. | 
| SUBOPTIMISING | • SUBOPTIMISE v. to optimize to an inferior degree, also SUBOPTIMIZE. | 
| SUBOPTIMIZING | • suboptimizing v. Present participle of suboptimize. • SUBOPTIMIZE v. to optimize to an inferior degree, also SUBOPTIMISE.
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| TIMBROPHILIES | • TIMBROPHILY n. the love of stamps. | 
| TIMBROPHILIST | • TIMBROPHILIST n. a stamp-collector. |