| impedance |
a measure of the total resistance of an electric circuit to an alternating current flow, usu. expressed in ohms. |
| impede |
to slow or block the movement or progress of; hinder. |
| impediment |
an obstacle or hindrance. [3 definitions] |
| impedimenta |
baggage, supplies, or other encumbrances that slow one's progress. |
| impel |
to drive or incite to action. [2 definitions] |
| impeller |
that which drives or sends forward. [2 definitions] |
| impend |
to be about to occur or appear. [2 definitions] |
| impending |
about to occur or appear. [2 definitions] |
| impenetrable |
impossible to penetrate or enter; impervious. [3 definitions] |
| impenitent |
not sorry or apologetic for one's misdeeds; unrepentant. |
| imperative |
extremely important; urgent; unavoidable. [6 definitions] |
| imperative sentence |
a sentence that tells someone to do something or makes a request. An example of an imperative sentence is "Tie your shoes." |
| imperator |
in ancient Rome, a victorious general or an emperor. |
| imperceptible |
so gradual or subtle as to be unnoticed or unnoticeable. [2 definitions] |
| imperceptive |
having poor perception or understanding. |
| impercipient |
combined form of percipient. |
| imperfect |
not perfect or complete; having defects or shortcomings. [5 definitions] |
| imperfection |
a flaw or fault. [2 definitions] |
| imperforate |
lacking openings or perforations. [3 definitions] |
| imperial1 |
of or pertaining to an empire or its ruler. [5 definitions] |
| imperial2 |
a small, pointed beard grown on the lower lip and chin. |