| first aid | esmaabi |
| First Amendment | esimene konstitutsiooniparandus (sõnavabadus) |
| first and foremost | eelkõige |
| first and foremost | eeskätt |
| first and foremost | ennekõike |
| first and last | esmajoones |
| first and last | kõike arvesse võttes |
| first appearance | esmaesitlus |
| first appearance | väljatulek |
| first base | esimene pesa |
| first base | pihtahakkamine |
| first borne | esiklaps |
| first cause | esmapõhjus |
| first cause | olemasolu põhjus |
| first cause argument | esmapõhjuse argument (jumalatõestus) |
| first class | esimene klass |
| first coat | alusvärv |
| first coat | põhjapinseldus |
| first commoner | (Br) alamkoja spiiker |
| first cost | hankimise hind |
| first cousin | nõbu |
| first degree of quantity | esimene välde |
| first derivative | esimene tuletis |
| first draft | kontsept |
| first edition | esitrükk |
| first edition | esmaväljaanne |
| first floor | (Am) esimene korrus |
| first floor | (Br) teine korrus |
| first flush of the morning | hommikuhahetus |
| first gear | esimene käik |
| first glance | esmapilk |
| first grade | esimene klass |
| first hand | esmaallikas |
| first impression | esmamulje |
| first in first out | järjestusviis |
| first lady | esimene leedi (er presidendi abikaasa) |
| first lady | juhtkuju |
| first law of thermodynamics | termodünaamika esimene seadus |
| first light | aovalgus |
| first light | esimene koidukiir |
| First Lord of the Treasury | (Br) majandusminister |
| first mate | esimene abi |
| first moment | aritmeetiline keskmine |
| first name | eesnimi |
| first of all | eelkõige |
| first of all | eeskätt |
| first of all | esmalt |
| first of all | kõigepealt |
| first of exchange | esiveksel |
| first off | kõigepealt |
| first offender | esmakordne karistusalune (varem karistamata isik) |
| first option | eesõigus |
| first order | esimest järku |
| first order | esmajärguline |
| first person | esimene isik |
| first person | meie-vorm |
| first person | mina-vorm |
| first principles | algtõed |
| first quarter | esimene veerand (ka Kuu faas) |
| first rate | esmajärguline |
| first reading | (seaduseelnõu) esimene lugemine |
| first refusal right | eesostu-õigus |
| First Reich | esimene Reich (Karl Suure riik) |
| first running | eeljooks |
| first school | algkool |
| first step | avakäik |
| first step | esimene samm |
| first stock | põhikapital |
| first team | esindusmeeskond |
| first team | põhimeeskond |
| first things first | tähtsamad asjad kõigepealt |
| first time | esimene kord |
| first water | puhas (kalliskivi) |
| First World War | Esimene maailmasõda |
| first-aid | esmaabi |
| first-aid box | esmaabikarp |
| first-aid kit | esmaabikott |
| first-aid kit | esmaabipaun |
| first-aid station | esmaabipunkt |
| first-aid station | kiirabihaigla |
| first-aid station | traumapunkt |
| first-born | esiklaps |
| first-born | esmasündinu |
| first-born | esmasündinud |
| first-chop | esmajärguline |
| first-class | esimese klassi |
| first-class | esimeses klassis |
| first-class | esmaklassiline |
| first-class | priima |
| first-class mail | pitseeritud kirjad |
| first-come-first-serve | kohti reserveerimata |
| first-come-first-serve | üldises järjekorras |
| first-degree burn | esimese astme põletushaavad |
| first-grade | esmaklassiline |
| first-hand | esmaallikast |
| first-hand | ise |
| first-hand | vahetu |
| first-night | avaõhtu |
| first-night | esmaetendus |
| first-nighter | esmaetenduste külastaja |
| first-past-the-post | suurima poolthäälte arvuga |
| first-rate | esmaklassiline |
| first-rate | kvaliteetne |
| first-rate | oivaline |
| first-string | põhi- |
| first-string | põhikoosseis |
| first-year | esimese aasta |
| first-year student | esmakursuslane |
| firstborn | esiklaps |
| firstborn | esmasündinu |
| firstborn | esmasündinud |
| firstclass | esmaklassiline |
| firstcomer | esimesena saabunu |
| firsthand | esmaallikast |
| firsthand | oma kõrvaga |
| firsthand | otsene |
| firsthand | vahetu |
| firstly | esiteks |
| at a first approximation | esimeses lähenduses |
| at first | algul |
| at first | alguses |
| at first | esmalt |
| at first | kõigepealt |
| at first blush | esmapilgul |
| at first hand | esmaallikast |
| at first hand | esmalt |
| at first hand | otsesest allikast |
| at first light | esimese koidukiirega |
| at first open water | kevadise avaveega |
| at first sight | esimesest silmapilgust |
| at first sight | esmapilgul |
| at first view | esmapilgul |
| at the first opportunity | esimesel võimalusel |
| being on first name terms | sinatamine |
| call by the first name | sinatada |
| cast the first stone | esimest kivi viskama |
| come first | esimesena kohale jõudma |
| come first | ette jõudma |
| come in first | esimesena finišeerima |
| court of first instance | esimese astme kohus |
| double first | (Br) kahes aines esmajärgulist tulemust saama |
| double first name | kahekordne eesnimi |
| double first name | kaksiknimi |
| feet first | jalad ees |
| fifty-first | viiekümne esimene |
| for the first time | esimest korda |
| for the first time | esmakordselt |
| forty-first | neljakümne esimene |
| from first to last | algusest lõpuni |
| from first to last | esimesest viimaseni |
| from the first | esimesest |
| get to first base | asimest sammu astuma |
| headfirst | pea ees |
| I don't have the first idea | mul pole õrna aimugi |
| I'll see you in hell first | üle minu laiba |
| in the first place | esmajoones |
| in the first place | üleüldse |
| lay the first stone | nurgakivi panema |
| ninety-first | üheksakümne esimene |
| not know the first thing about | mitte õrna aimugi olema |
| of the first magnitude | esimese suurusjärgu |
| of the first rank | esmajärguline |
| of the first rank | kõrgema astme |
| play first fiddle | esimest viiulit mängima |
| rank first | parim olema |
| ranking first | esimesel kohal |
| right of first refusal | prioriteedi õigus |
| safety first | ohutus ennekõike |
| stand first | esile tõusma |
| stand first | esimeseks tulema |
| strike the first blow | esimesena lööma |
| tailfirst | part- |
| tailfirst aircraft | partlennuk |
| take the first step | esimest sammu astuma |
| throw the first stone | esimest kivi viskama |
