/fɪrst/
noun
The person or thing in the first position.The first gear of an engine.Something that has never happened before; a new occurrence.First baseA first-class honours degree.A first-edition copy of some publication.A fraction of an integer ending in one.adjective
Preceding all others of a series or kind; the ordinal of one; earliest.Most eminent or exalted; most excellent; chief; highest.adverb
Before anything else; firstly.For the first time;