| firm1 |
hard and compact; solid. [6 definitions] |
| firm2 |
a business organization, often an unincorporated one. |
| firmament |
the entire arch of the sky; heavens. |
| firmly |
in a way that uses some strength; not lightly. [2 definitions] |
| firmware |
a computer program or set of functions stored on a ROM chip, rather than in software. |
| first |
indicating rank or position before all others. [8 definitions] |
| first aid |
emergency medical treatment for injury or sudden illness, administered before regular medical care or more thorough treatment can be obtained. |
| first-aid kit |
a kit containing supplies for administering emergency treatment of injuries, poisoning, or sudden illness. It generally contains such things as bandages, antiseptics, and painkillers. |
| first base |
in counterclockwise order from home plate, the first of three bases marking the infield of a baseball diamond. [2 definitions] |
| first baseman |
in baseball, the player whose position is at first base when the other team is batting and whose primary function is to defend that base. |
| firstborn |
born before any other child or offspring of a parent or parents. [2 definitions] |
| first cause |
a primary or original source, independent of, and not caused by, anything else. [2 definitions] |
| first class |
the best, finest, or highest in quality, class, grade, or rank. [3 definitions] |
| first-class |
of the highest in quality, rank, or grade; foremost; best. [4 definitions] |
| first cousin |
the offspring of one's uncle or aunt. |
| first-degree |
of or concerning the lowest or first level in a series of levels or intensities. [2 definitions] |
| first-degree burn |
the level of burn that produces pain, heat, and reddening of the skin but no blistering or charring. |
| first-degree murder |
a premeditated murder, carried out with deliberate intention to kill. |
| first dibs |
(informal) the first claim or right to something. |
| first finger |
the finger next to the thumb; forefinger; index finger. |
| first floor |
in American English, the ground floor. In British English, the floor above the ground floor. |