This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

adj. Of or relating to the meter or the metric system: U.S. Customary units and their metric equivalents.

n. A standard of measurement.

n. Mathematics A geometric function that describes the distances between pairs of points in a space.

adj. Of or relating to distance.

n. Poetic meter.

adj. of or relating to the metric system of measurement

adj. of or relating to the meter of a piece of music.

adj. Of or relating to distance

n. A measure for something; a means of deriving a quantitative measurement or approximation for otherwise qualitative phenomena (especially used in Software Engineering)

n. A measurement of the "distance" between two points in some metric space: it is a real-valued function d(x,y) between points x and y satisfying the following properties: (1) "positive definiteness": and , (2) "symmetry": , and (3) "triangle inequality": .

v. To measure or analyse statistical data concerning the quality or effectiveness of a process.

adj. Relating to measurement; involving, or proceeding by, measurement.

adj. Of or pertaining to the meter as a standard of measurement; of or pertaining to the decimal system of measurement of which a meter is the unit

Quantitative; involving or relating to measures of distance, especially in different directions. See geometry.

Having meter or poetic rhythm; pertaining to meter or to metrics; metrical.

n. Same as metrics.

Pertaining to that system of weights and measures of which the meter is the fundamental unit.

See gram.

n. a decimal unit of measurement of the metric system (based on meters and kilograms and seconds)

n. a function of a topological space that gives, for any two points in the space, a value equal to the distance between them

n. a system of related measures that facilitates the quantification of some particular characteristic

adj. based on the meter as a standard of measurement

adj. the rhythmic arrangement of syllables

"The game could be played in the reverse, where the metric is the number of people you see singing along/tapping feet/dancing."

rhythmical    rhythmic   

single-valued function    map    mapping    mathematical function    function   

metric horse-power    metric property    metric system    metric relation    meter    avoirdupois   

contrametric    intrametric    extrametric    metric space    metric level    metric carat    metric structure    metric system    metrical    uniform metric   

measure   

Petrich    barometric    dissymmetric    econometric    geometric    gravimetric    obstetric    optometric    parametric   

approximate    algebraic    coordinate    numerical    subnet    quadratic    metrics    finite    topographic    numeric