| impassable |
impossible to go past, through, over, or around. |
| impasse |
a situation that allows no escape or solution; stalemate. [2 definitions] |
| impassible |
not subject to feeling injury or pain. [2 definitions] |
| impassioned |
full of strong emotion; passionate. |
| impassive |
not having, showing, or responding to emotion; unfeeling, expressionless, or insensitive. [3 definitions] |
| impassivity |
the condition or quality of lacking or being unaffected by emotion. |
| impasto |
the thick application of paint on canvas, as in certain painting techniques, or the paint so applied. |
| impatience |
the quality or condition of lacking patience. [3 definitions] |
| impatiens |
a common flowering annual plant, related to the balsam and bearing small flat flowers in white or various shades of pink and red. |
| impatient |
unwilling to wait patiently or endure delay. [4 definitions] |
| impatiently |
with little willingness to wait or endure delay. |
| impeach |
in an appropriate tribunal, to accuse of or charge with misconduct of public office. [2 definitions] |
| impeachable |
combined form of impeach. |
| impeachment |
an act of impeaching, esp. the presentation of formal charges against a public official. |
| impeccable |
flawless or blameless; perfect. [2 definitions] |
| impecunious |
lacking funds; penniless. |
| 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] |