First definitions

fûrst
Preceding all others in a series; before any other; 1st.
adjective
187
1
Happening or acting before all others; earliest.
adjective
184
0
Corresponding in order to the number one.
adjective
184
6
Coming before all others in order or location.

The first house on your left.

adjective
181
3
Ranking before all others; foremost in rank, quality, importance, etc.; principal.
adjective
181
3
Designating the slowest forward gear ratio of a motor vehicle transmission; low.
adjective
178
2
Occurring or acting before all others in time; earliest.

The first day of spring.

adjective
178
3
Playing or singing the leading part or the part highest in pitch.
adjective
175
2
Ranking above all others, as in importance or quality; foremost.

Was first in the class.

adjective
175
4
Being highest in pitch or carrying the principal part.

First trumpet.

adjective
172
1
As the first point; to begin with.
adverb
172
1
Of, relating to, or being the transmission gear or corresponding gear ratio used to produce the range of lowest drive speeds in a motor vehicle.
adjective
169
2
For the first time.
adverb
169
2
Of, related to, or being a member of the US president's household.

First daughter Sasha Obama.

adjective
166
1
Sooner; preferably.
adverb
166
2
Before or above all others in time, order, rank, or importance.

Arrived first; forgot to light the oven first.

adverb
163
1
With (a specified part) in the front or lead.

To plunge into a pool feet first.

adverb
163
4
For the first time.
adverb
160
0
That one before the second.
noun
160
5
Rather; preferably.

Would die first.

adverb
157
3
Any person, thing, class, place, etc. that is first.
noun
157
3
The first day of a month.
noun
154
2
In the first place; to begin with; firstly.
adverb
154
4
The ordinal number matching the number one in a series.
noun
151
2
The beginning; start.
noun
151
2
A first happening or thing of its kind.
noun
148
2
The one coming, occurring, or ranking before or above all others.
noun
148
4
The beginning; the outset.

From the first; at first.

noun
145
1
The best quality of merchandise.
noun
145
3
The voice or instrument highest in pitch or carrying the principal part.
noun
142
1
The winning place in a race or competition.
noun
142
3
The transmission gear or corresponding gear ratio used to produce the range of lowest drive speeds in a motor vehicle.
noun
139
1
The first gear of a motor vehicle transmission; low.
noun
139
2
The winning position in a contest.

Finished the season in first.

noun
136
3
noun
136
3
The highest or leading voice or instrument in an ensemble.
noun
133
1
Preceding all others of a series or kind; the ordinal of one; earliest.

The first day of September 2013 was a Sunday. I was the first runner to reach the finish line, and won the race.

adjective
9
0
Before anything else; firstly.

Clean the sink first, before you even think of starting to cook.

adverb
9
0
Most eminent or exalted; most excellent; chief; highest.

Demosthenes was the first orator of Greece.

adjective
6
0
(uncountable) The person or thing in the first position.

He was the first to complete the course.

noun
6
0
The definition of first is someone or something that happens or acts before any others.

An example of first is a first child, a child born before their siblings.

adjective
6
0
(uncountable) The first gear of an engine.
noun
3
0
Of or pertaining to the executive of a particular nation or state.
adjective
3
0
(Forum of Incident Response and Security Teams) Founded in 1990, FIRST coordinates the efforts of dozens of CERTs, mostly governmental, from around the world. See CERT.
0
0
(countable) Something that has never happened before; a new occurrence.

This is a first. For once he has nothing to say.

noun
0
0
(countable, baseball) First base.

There was a close play at first.

noun
0
0
(countable, UK, colloquial) A first-class honours degree.
noun
0
0
(countable, colloquial) A first-edition copy of some publication.
noun
0
0
A fraction of an integer ending in one.

One forty-first of the estate.

noun
0
0
(obsolete) Time; time granted; respite.
noun
0
0

Origin of first

From Middle English first, furst, ferst, fyrst, from Old English fyrst, fyrest (“first, foremost, principal, chief, original”), from Proto-Germanic *furistaz (“foremost, first”), superlative of Proto-Germanic *fur, *fura, *furi (“before”), from Proto-Indo-European *per-, *pero- (“forward, beyond, around”), equivalent to fore +‎ -est. Cognate with North Frisian foarste (“first”), Dutch voorste (“foremost, first”), German Fürst (“chief, prince”, literally “first (born)”), Swedish första (“first”), Icelandic fyrstur (“first”).