Learn how to say Lieutenants correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word lieutenant:
a deputy or substitute acting for a superior:
one of the Prime Minister’s most trusted lieutenants
a rank of officer in the British army, above second lieutenant and below captain.
a rank of officer in the navy, above sub lieutenant and below lieutenant commander.
(in the US) a police officer next in rank below captain.
noun (plural lieutenancies)
late Middle English: from Old French (see lieu, tenant)
In the normal British pronunciation of lieutenant the first syllable sounds like lef-. In the standard US pronunciation the first syllable, in contrast, rhymes with do. It is difficult to explain where the f in the British pronunciation comes from. Probably, at some point before the 19th century, the u at the end of Old French lieu was read and pronounced as a v, and the v later became an f.