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fi

1 American  
[fee] / fi /

noun

Music.

  1. the solmization syllable used for the semitone between the fourth and fifth degrees of a scale.

F.I. 2 American  

abbreviation

  1. Falkland Islands.

FI 1 British  

abbreviation

  1. Falkland Islands

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
fi 2 British  

abbreviation

  1. Finland

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

"It gets more in the realms of sci- fi," he said.

From BBC • Aug. 31, 2025

A former Tesla emp loyee said of the Samasource labelers: “They would highlight fi re hydrants as pedestrians … They would miss objects all the time. Their skill level to draw boxes was very low.”

From Reuters • Apr. 6, 2023

“Me, soy Trini / Everyting di man have, dat a fi mi / ¿Dónde está el dinero? Papi, gimme / Pretty face, ugly gyal can’t see me.”

From Los Angeles Times • Nov. 18, 2022

In March, Florence Welch of Florence and the Machine posted a video singing a cappella because “the labels are begging me for ‘low fi tik toks.’”

From Washington Post • May 25, 2022

“Hi fi, hi fi,” Semaj says again, still waving both hands.

From "A High Five for Glenn Burke" by Phil Bildner

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.