| Term | Definition |
| interloper | One who intrudes by meddling or trespassing on the rights of others |
| internecine | Very destructive to both sides in a conflict; involving slaughter and carnage |
| interpolate | to insert or add something b/w other parts, especially in a text or written work |
| interregnum | Any period of time when a state is w/o a ruler or has a provisional gov't, especially b/w the reign of a sovereign and a successor |
| interpose | to insert b/w parts of something; to interject in a conversation |
| juxtapose | to place side by side. |
| propinquity | Nearness; Proximity |
| rapprochement | Reconciliation; restoration of cordial relations, especially b/w two countries. |
| quiescent | At rest; dormant; motionless |
| acquiesce | To agree or consent w/o any objection |
| requiem | A mass or service for the repose of departed souls; music, poetry, or other composition for the dead |
| unrequited | Not reciprocal; not given in payment or return in kind |
| abstruse | Difficult to understand; complex |
| extrude | To push or thrust out a liquid or malleable substance that retains or solidifies into a predetermined shape |
| obtrude | To force one's ideas or oneself insistently upon others |
| altercation | A noisy quarrel |
| altruism | Concern for the welfare of others; unselfishness |
| ephemeral | Lasting for a very short time; transitory; not everlasting |
| epitaph | An inscription on a tombstone in memory of the person buried there; a brief summary of a dead person's life. |
| epitome | A typical representation of something; a person who embodies a quality |
| eponymous | Referring to the name of a person, a mythical being, or a literary figure associated with something, or to a word incorporating the name of such a person |
| paradigm | An ex. serving to illustrate a process, pattern, or concept. |
| paradox | A statement that seems contradictory but contains a truth or valid deduction |
| paragon | A model of excellence or perfection |
| parameter | In math, a constant that has a variable values and is used to determine other variables |
| peripatetic | Walking or traveling about |
| peripheral | Pertaining to the boundary of an area |
| anathema | A person or thing detested and shunned; A curse, especially a formal church ban or excommunication |
| antithesis | An exact opposite; a complete contrast |
| epithet | A word or phrase used positively or negatively that characterizes or describes a person or thing, added to or replacing a name |