IMPERFECTION—fault, blemish, defect, vice.
IMPERIL—endanger, hazard, jeopardize.
IMPERIOUS—commanding, dictatorial, imperative, authoritative, lordly, overbearing, domineering.
IMPERTINENT—intrusive, meddling, officious, rude, saucy, impudent, insolent.
IMPETUOUS—violent, boisterous, furious, vehement. (Calm.)
IMPIOUS—profane, irreligious. (Reverent.)
IMPLICATE—involve, entangle, embarrass.
IMPLY—involve, comprise, infold, import, denote.
IMPORTANCE—signification, significance, avail, consequence, weight, gravity, moment.
IMPOSING—impressive, striking, majestic, august, noble, grand. (Insignificant.)