What is the meaning of Fi?

ISO 639-1 language code for Finnish.

The solfeggio syllable used to indicate the sharp of the fourth note of a major scale.

Abbreviation of fidelity. (e.g. in hi-fi, lo-fi, or wi-fi)

Abbreviation of fiction. (e.g. in sci-fi)

Alternative form of to

Alternative form of fia

son

water

girl

daughter

for

to

can

should

fire

skin

bark

shell

to come up (from below)

finish; the end

fine, thin

soft, smooth

sharp, keen

phi; the Greek letter Φ (lowercase φ)

For shame!

faugh, fie, bah, pooh

son

son, child, offspring (of a human or an animal)

a smaller part of a building or a piece of furniture, cf. fiók (“drawer”)

yuck, ugh, boo (expression of disgust or contempt, sometimes like a symbolic spitting)

Phi; the Greek letter Φ (lowercase φ).

The katakana syllable フィ (fi) in Hepburn-like romanization.

pah!, pooh!, foh!, bah!, an expression of disgust

second-person singular present passive imperative of faciō

fee

Alternative form of f’: used before a consonant cluster

Alternative spelling of phi

phi (name of the Greek letter Φ)

to be

to feel (to experience a certain condition)

to be it in a game of tag

phi; the Greek letter Φ, φ

Only used in lede fi

at

I, me

The name of the Latin-script letter V/v.

The name of the Latin-script letter F/f.

to use something to do something else (must be used with another verb)

"Mo fi ṣíbí jẹ ìrẹsì." – I used a spoon to eat rice. (uses a second verb, jẹ, along with fi)

"Mo lo ṣíbí." – I used a spoon. (uses lò, changed to lo before an object noun, since there's no second verb for purpose)

to swing

to swirl, to centrifuge

Source: wiktionary.org