English Vocabulary Flash Cards @ englishpdf.com and englishteststore.com File 280 immoral (adj) Habitually engaged in licentious or lewd practices immortalize (v) To cause to last or to be known or remembered throughout a great or indefinite length of time immovable (adj) Steadfast immune (adj) Exempt, as from disease immutable (adj) Unchangeable impair (v) To cause to become less or worse impalpable (adj) Imperceptible to the touch impartial (adj) Unbiased