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. 
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151. Your number was up the first time I met you.
152. Why? Isn't it obvious? First, you impose way too much on me, and I'm tired of it. Second, you stood me up on Valentine 's Day.
153. First of all, I want you to review what we learned yesterday.
154. A spokesman for the dockyard said they hoped to launch the first submarine within two years.
155. The statement of the last witness controverted the evidence of the first two.
156. She first came to prominence as an artist in 1989.
157. Tickets are limited and will be allocated to those who apply first.
158. The company's sales figures for the first six months augur well for the rest of the year.
159. He is a globalist, whereas we are nationalists who will put our country first.
160. Her second husband was the exact opposite of her first .
161. After extensive research, Albert Hoffman first succeeded in synthesizing the acid in 1938.
162. The first thing to do is book a venue .
163. To order a book one first had to get permission from the monastery that held the copyright.
164. Could you clarify the first point please? I don't understand it completely.
165. Statistics show that 50% of new businesses fail in their first year.
166. At first he was opposed to the scheme[sentencedict.com], but we managed to argue him round.
167. The first step towards getting somewhere is to decide that you are not going to stay where you are.
168. His first speech as president made a strong impression on his audience.
169. Redhook was one of the first microbreweries in Seattle, Washington.
170. It may be difficult to do at first. Don't let this discourage you.
171. I want to be one of the first who say "Happy birthday to you".May everything it take to make a very happy and successful year!
172. Most schools teach children lower case letters first, and upper case letters later.
173. The birth of their first child marked the beginning of a new era in their married life.
174. The government's first effort to privatize a company has been a roaring success.
175. There are two things to aim at in life: first, to get what you want; and ,after that, to enjoy it , only the wisest of mankind achieve the second.
176. The two British players both won their first - round matches in aggressive style.
177. Belgium was the first European country to possess a fully-fledged rail network.
178. The first white settlers journeyed across America in covered wagons.
179. Since the first time I saw you,I felt something inside,I dont know if its love at first sight,I do know I really like you a lot. Tanya C Medeiros.
180. The story to finally, don't remember who first obscure eyes.
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.