Synonym: ahead, before, beginning, chief, dominant, foremost, leading, main, preferably, primary, principal, rather, final, finally, last. Similar words: at first, first of all, first prize, the first person, at first sight, in the first place, first and foremost, upstairs. Meaning: [fɜrst /fɜːst] 
n. 1. the first or highest in an ordering or series 2. the first element in a countable series 3. the time at which something is supposed to begin 4. the fielding position of the player on a baseball team who is stationed at first of the bases in the infield (counting counterclockwise from home plate) 5. an honours degree of the highest class 6. the lowest forward gear ratio in the gear box of a motor vehicle; used to start a car moving. adj. 1. preceding all others in time or space or degree 2. indicating the beginning unit in a series 3. serving to set in motion 4. serving to begin 5. ranking above all others 6. highest in pitch or chief among parts or voices or instruments or orchestra sections 7. being the gear producing the lowest drive speed. adv. 1. before anything else 2. the initial time 3. before another in time, space, or importance 4. prominently forward.
n. 1. the first or highest in an ordering or series 2. the first element in a countable series 3. the time at which something is supposed to begin 4. the fielding position of the player on a baseball team who is stationed at first of the bases in the infield (counting counterclockwise from home plate) 5. an honours degree of the highest class 6. the lowest forward gear ratio in the gear box of a motor vehicle; used to start a car moving. adj. 1. preceding all others in time or space or degree 2. indicating the beginning unit in a series 3. serving to set in motion 4. serving to begin 5. ranking above all others 6. highest in pitch or chief among parts or voices or instruments or orchestra sections 7. being the gear producing the lowest drive speed. adv. 1. before anything else 2. the initial time 3. before another in time, space, or importance 4. prominently forward. 151. She is the first woman who navigates a sail crossing the English Channel.
152. In his first years as chairman he was instrumental in raising the company's wider profile.
153. They saw first a cloud of dust and then the car that was stirring it up.
154. The company was one of the first to offer meaningful employment to the blind.
155. Helmut Kohl became the first Chancellor of a united Germany in 1990.
156. She did well in her first year at school but then started to lag behind.
157. The National Theatre hit the jackpot with its first musical, "Guys and Dolls".
158. She made her first and only space flight last September.
159. I'm afraid I never got further than the first five pages of 'Ulysses'.
160. This was the first time that I dared to defy my mother.
161. The unfavorable reviews of his first novel were a great discouragement to him.
162. The title of Evelyn Waugh's first novel was 'Decline and Fall'.
163. I first became interested in Islam while I was doing my nursing training.
164. The first job of the new democratic government should be to depoliticize the judiciary.
165. Let's not prejudge the situation - we need to hear both sides of the story first.
166. My recruiting sergeant weighed me up when I first walked into his office.
167. An interim government was set up for the period before the country's first free election.
168. He first entered Britain on a six-month visa[sentencedict.com], and was given a further extension of six months.
169. Losing in the first round was a shock to the system .
170. The baby's first step caused great excitement in the family.
171. She fulfilled her ambition to become the first woman to run the 10,000 metres in under 30 minutes.
172. In the Bible it says that Adam and Eve were the first human beings.
173. She first rose to fame as a singer at the age of 16.
174. These truths were by no means self - evident when Galileo first suggested them.
175. The first chapter presents a critical review of the existing nursery education system.
176. Prosecution for a first minor offence rarely leads to imprisonment.
177. I read the first draft and thought it was very good.
178. The day will fall so big people, first Zhi, the labor of their bones, their body skin hunger, tough, line whisk it was chaos, so the spirit, increasing it not beneficial.
179. At first his jealousy only showed in small ways-he didn't mind me talking to other guys.
180. His wife gave birth to their first child, and he was ecstatic about it.
More similar words: at first, first of all, first prize, the first person, at first sight, in the first place, first and foremost, upstairs, firm, burst, at worst, on fire, fire up, firmly, burst in, confirm, burst into, understand, catch fire, set fire to, burst out laughing.