A voiceless bilabial fricative is a type of consonantal sound, used in some spoken languages. The symbol in the International Phonetic Alphabet that represents this sound is , a Latinized form of the Greek letter Phi.
Features
Features of a voiceless bilabial fricative:
Occurrence
{| class="wikitable"
|-
!colspan=2| Language !! Word !! IPA !! Meaning !! Notes
|-
|colspan=2| Ainu || || || 'grandmother' || Allophone of before
|-
|colspan=2| Angor || || || 'body' ||
|-
|| Bengali || Eastern dialects || |||| 'fruit'|| Allophone of in some eastern dialects; regular allophone of in western dialects
|-
|colspan=2| Damin || || || 'boomerang' ||
|-
|English
|Scouse
|
|
|
|Allophone of . See British English phonology
|-
|colspan=2| Ewe || || || 'he polished' || Contrasts with
|-
| Italian || Tuscan || ' || || 'the captains' || Postvocalic allophone of . || / || || 'decay' || Allophone of before . See Japanese phonology
|-
|colspan=2| Kaingang || ' || || 'seed' ||
|-
|colspan=2| Korean || / || || 'epiglottis' || Allophone of before and . See Korean phonology
|-
|colspan=2| Kwama || colspan="2" style="text-align:center;"| || 'basket' ||
|-
|colspan=2| Māori || || || 'genealogy' || Now more commonly /f/ due to the influence of English. See Māori phonology.
|-
| colspan="2" |Nepali
|
|
|'vapour'
|Allophone of /pʰ/. See Nepali phonology
|-
|colspan=2| Odoodee || || || 'coconut' ||
|-
|colspan=2| Okinawan || || || 'type of spice' ||
|-
| rowspan="3" | Spanish || Some dialects || ' || || 'outside' || Non-standard variant of . See Spanish phonology
|-
| North-Central Peninsular || ' || || 'abdicate' || Allophone of in the coda. In this dialect, the unvoiced coda obstruents - - are realized as fricatives only if they precede a voiced consonant; otherwise, they emerge as stops.
|-
| Southern Peninsular|| '|| || 'yours'
|It varies with in some accents. Allophone of after .
|-
| colspan="2" |Shompen
|kofeoi
|
|'bench'
|
|-
|colspan=2| Sylheti || /fua || || 'boy' ||
|-
|colspan=2| Tahitian || ' || || 'snake' || Allophone of
|-
| colspan="2" |Taruma
|
|
|'fire'
|
|-
| Turkish || Some speakers || ' || || 'horizon' || Allophone of before rounded vowels and, to a lesser extent, word-finally after rounded vowels.