(linguistics) Exhibiting or relating to extrametricality.

By means of, or in terms of, extrametricality.

(linguistics) The situation where a particular segment or prosodic unit of a word may be ignored for the purposes of determining the stresses in the word's pronunciation.

(music) Of a rhythm which is irregular, (which is) outside of the metric structure of the surrounding composition. / (of a syllable or line) Which is outside of the metre of a line or poem.