| inexpressible |
incapable of being expressed or described in words. |
| inexpressive |
lacking or not showing expression. |
| in extenso |
(Latin) at full length. |
| inextinguishable |
unable to be extinguished, quenched, or suppressed. |
| in extremis |
(Latin) in extremity; under extreme circumstances or at the point of death. |
| inextricable |
that one cannot free oneself from. [3 definitions] |
| in fact |
in reality; really; truly; indeed. |
| infallible |
incapable of error. [3 definitions] |
| infamous |
having, deserving, or causing a bad reputation; notorious or shameful. [2 definitions] |
| infamy |
evil or shameful reputation. [3 definitions] |
| infancy |
the first months of a child's life; very early childhood. [2 definitions] |
| infant |
a child in the first months of life, esp. before he or she can walk. [3 definitions] |
| infanta |
the daughter of a Spanish or Portuguese king, or the wife of his son who is not heir to the throne. |
| infante |
a son of a Spanish or Portuguese king who is not heir to the throne. |
| infanticide |
the murder of an infant. [2 definitions] |
| infantile |
like or suitable to an infant, esp. in behavior; babyish or childish. [2 definitions] |
| infantile paralysis |
poliomyelitis. |
| infantilism |
an abnormal condition of an adult marked by the persistence of immature mental and physical development and behavior, including lack of sexual maturation. [2 definitions] |
| infantry |
foot soldiers, or the branch of the military to which they belong. |
| infantryman |
a soldier in the infantry; foot soldier. |
| infarct |
a localized area of tissue that is dead or dying from obstruction of its blood supply. |