Lyrical means expressing feeling in a flowing songlike way. A lyrical passage, lyrical prose, wax lyrical.
Wax lyrical is the fixed phrase and means to talk about something at enthusiastic length. In poetry, lyric verse is the personal kind as against narrative or dramatic, and it takes its name from the lyre.
1adjectivelyricalExpressing feeling in a flowing songlike way.
“The poet wrote lyrical descriptions of the hills and rivers of her childhood.”
lyrical is a quality.
Ancient Greek
λυρικός
Latin
lyricus
French
lyrique
English
lyric
English, today
lyrical
Built from
From lyric + -al. lyric comes from French lyrique, or its source, Latin lyricus, from Ancient Greek λυρικός, from λύρα (“lyre”). Its English equivalent would be lyre + ic. The original Greek sense of "lyric poetry"—"poetry accompanied by the lyre" i.e. "words set to music"—eventually led to its use as "lyrics", first attested in Stainer and Barrett's 1876 Dictionary of Musical Terms. Stainer and Barrett used the word as a singular substantive: "Lyric, poetry or blank verse intended to be set to music and sung". By the 1930s, the present use of the plurale tantum "lyrics" had begun; it has been standard since the 1950s for many writers. The singular form "lyric" is still used to mean the complete words to a song by authorities such as Alec Wilder, Robert Gottlieb, and Stephen Sondheim. However, the singular form is also commonly used to refer to a specific line (or phrase) within a song's lyrics.
Etymology from Wiktionary, CC BY-SA