| IMPERATIVAL | • imperatival adj. (Grammar) Of or pertaining to the imperative mood. • IMPERATIVAL adj. relating to the imperative. |
| IMPERATIVES | • imperatives n. Plural of imperative. • IMPERATIVE n. a verb in the imperative mood. |
| IMPERCEABLE | • IMPERCEABLE adj. (Spenser) not pierceable. |
| IMPERFECTER | • IMPERFECT adj. not perfect, also UNPERFECT. |
| IMPERFECTLY | • imperfectly adv. In an imperfect manner or degree; not fully or completely. • IMPERFECT adv. not perfect, also UNPERFECT. |
| IMPERFORATE | • imperforate adj. Not perforated, as… • imperforate n. (Philately) A postage stamp that has not been perforated. • IMPERFORATE adj. not perforated into perforated rows, used of stamps and sheets of stamps, also IMPERFORATED. |
| IMPERIALISE | • imperialise v. Alternative form of imperialize. • IMPERIALISE v. to make imperial, also IMPERIALIZE. |
| IMPERIALISM | • imperialism n. The policy of forcefully extending a nation’s authority by territorial gain or by the establishment… • IMPERIALISM n. the policy, practice or advocacy of extension of a nation's power or influence over other territories. |
| IMPERIALIST | • imperialist adj. Of, or relating to imperialism. • imperialist n. An advocate of imperialism. • Imperialist n. (Historical, sometimes attributive) An agent or official working on behalf of the Empire of Japan. |
| IMPERIALITY | • imperiality n. Imperial power. • imperiality n. Imperial rights or privileges. • IMPERIALITY n. the state of being imperial. |
| IMPERIALIZE | • imperialize v. To invest with imperial authority, character, or style. • imperialize v. To bring to the form of an empire. • IMPERIALIZE v. to make imperial. |
| IMPERILLING | • imperilling v. Present participle of imperil. • IMPERIL v. to put in danger, also PERIL. |
| IMPERILMENT | • imperilment n. The act of imperiling, or the state of being imperiled. • IMPERILMENT n. the act of imperilling. |
| IMPERIOUSLY | • imperiously adv. In an imperious manner; in the style of an emperor. • imperiously adv. In a way that brooks no refusal; commandingly. • IMPERIOUS adv. assuming command; haughty. |
| IMPERMANENT | • impermanent adj. Not permanent; unperpetual. • IMPERMANENT adj. not permanent. |
| IMPERMEABLE | • impermeable adj. Impossible to permeate. • impermeable adj. Not allowing passage, especially of liquids; waterproof. • IMPERMEABLE adj. that cannot be permeated. |
| IMPERMEABLY | • impermeably adv. In an impermeable manner. • IMPERMEABLE adv. that cannot be permeated. |
| IMPERSONATE | • impersonate v. (Transitive) To pretend to be (a different person); to assume the identity of. • impersonate v. (Transitive, computing) To operate with the permissions of a different user account. • impersonate v. (Obsolete, transitive) To manifest in corporeal form; to personify. |
| IMPERTINENT | • impertinent adj. Insolent, ill-mannered. • impertinent adj. Irrelevant, useless. • impertinent n. An impertinent individual. |
| IMPERVIABLE | • imperviable adj. Impervious. • IMPERVIABLE adj. not able to be penetrated, also IMPERVIOUS. |