There is a total of 27405 clues beginning with fi
- First lunar phase
- First lyricist to receive a Pulitzer Prize
- First MLB team to use artificial turf in its stadium
- First Mac OS that used its animal codename
- First Mach I breaker
- First magazine to put Steve Jobs on its cover
- First magnitude star in Centaurus
- First magnitude star in Virgo
- First main Constitution part
- First main part of the Constitution
- First major Civil War battle on Union soil
- First major Civil War conflict
- First major film to be shot on the ocean
- First major league manager to have 2000 wins and have 2000 hits
- First major league player to have his number retired
- First Major League Soccer champs
- First major leaguer with 4,000 hits
- First major music publisher to establish a Web site
- First major party female nominee for US vice president
- First major publisher of board games in the US
- First major US medical school to admit women as well as men
- First major-league team to sign Satchel Paige
- First maker of a mass-produced, low-priced car
- First male hurricane (1979)
- First male on the cover of "Vogue"
- First male to appear on the cover of Vogue
- First mammal to be cloned
- First man
- First man featured on the cover of the US edition of Vogue
- First man in paradise
- First man in Scandinavian mythology
- First man in space
- First man in the Bible
- First man of comedy
- First man of comedy?
- First man of Iran
- First man on the scene
- First man standing?
- First man to achieve a Career Golden Slam
- First man to appear on the cover of Vogue
- First man to be "ribbed"
- First man to circumnavigate Australia
- First man to complete tennis’s Surface Slam
- First man to fly in space twice
- First man to make the cover of the US edition of Vogue
- First man to reach the South Pole, 1911
- First man to walk in space
- First man to win the French Open without dropping a set
- First man's introduction to Eve?
- First man's sweeting?
- First man, in Babylonian mythology
- First man, in Maori myth
- First man, in Maori mythology
- First man, in Nordic myth
- First man, in Polynesian myth
- First man, to Polynesians
- First man-made satellite
- First man-made space satellite
- First man-made textile fiber
- First man
- First manager of the Mets
- First manned mooncraft
- First manned ship on the moon
- First manned spacecraft on the moon
- First manned-spaceflight program in the United States
- First manuscript
- First mariner
- First marketer of Cabbage Patch Kids
- First martyr
- First martyr in Christianity
- First martyr, according to Matthew
- First martyr, per Matthew
- First Marxist President of Chile
- First mass consumer product offering Wi-Fi
- First mass-marketed sneakers
- First mass-marketed soft drink
- First mass-produced American car with pop-up headlights
- First mass-producer of cars
- First mass-production auto company outside the US
- First matchmaker?
- First mate
- First mate aboard the Jolly Roger
- First mate and others
- First mate of Cap'n Crunch
- First mate of the Pequod
- First mate of TV
- First mate on Forrest's shrimp boat
- First mate's agreement
- First mate's greeting?
- First mate's reply
- First mate's response to the captain
- First mate's superior, informally
- First mate, eg
- First mate, say?
- First mate?
- First mates' home
- First matriarch
- First Mayflower passenger to set foot on Plymouth Rock, so it's said
- First mayor of N Y C, 1784–89