Non-metrical

[me-tri-kuh l] /ˈmɛ trɪ kəl/

adjective
1.
pertaining to or poetic measure.
2.
composed in meter or verse.
3.
pertaining to measurement.
/ˈmɛtrɪkəl/
adjective
1.
of or relating to measurement
2.
of or in poetic metre
adj.

“pertaining to versification,” early 15c., from Latin metricus “metrical,” from Greek metrikos “of or for meter, metrical,” from metron “poetic meter” (see meter (n.2)). Old English had meterlic in this sense.

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