ambiguous having more than one possible meaning
impenetrable not admitting of passage into or through
imponderable difficult or impossible to evaluate with precision
ambitious having a strong desire for success or achievement
combinatorial relating to or involving combinations
ambient completely enveloping
ambiguity unclearness by virtue of having more than one meaning
imminent abortion the appearance of symptoms that signal the impending loss of the products of conception
ambience the atmosphere of an environment
ambivalence mixed feelings or emotions
Ambrose Bierce United States writer of caustic wit (1842-1914)
American parasol an agaric with a pallid cap and a stalk that is enlarged near the base
ambrosial worthy of the gods
ambivalent uncertain or unable to decide about what course to follow
antiparallel (especially of vectors) parallel but oppositely directed
ambiance the atmosphere of an environment
ambitiously with ambition; in an ambitious and energetic manner
impenitence the trait of refusing to repent
combined operation a military operation carried out cooperatively by two or more allied nations or a military operation carried out by coordination of sea, land, and air forces
impendence the state of being imminent and liable to happen soon