1.  adagio(n = noun.communication) - (music) a composition played in adagio tempo (slowly and gracefully); "they played the adagio too quickly"
is a kind of composition, musical composition, opus, piece, piece of music, musical passage, passage

2.  adagio(n = noun.act) - a slow section of a pas de deux requiring great skill and strength by the dancers;
is a kind of dance, dancing, saltation, terpsichore
is a part of duet, pas de deux

   adagio(s = adj.all) - (of tempo) leisurely;

   adagio(r = adv.all) - slowly; "here you must play adagio"

   Slow; slowly, leisurely, and gracefully. When repeated, adagio, adagio, it directs the movement to be very slow. [1913 Webster]

   A piece of music in adagio time; a slow movement; as, an adagio of Haydn. [1913 Webster]

adagio, adv., adj., & n. Mus.
--adv. & adj. in slow time.
--n. (pl. -os) an adagio movement or passage.

Etymology:
It.

N  slowness, languor, drawl, creeping, lentor, retardation, slackening, delay, claudication, jog trot, dog trot, mincing steps, slow march, slow time, slow goer, slow coach, slow back, lingerer, loiterer, sluggard, tortoise, snail, poke, dawdle, slow, slack, tardy, dilatory, gentle, easy, leisurely, deliberate, gradual, insensible, imperceptible, glacial, languid, sluggish, slow paced, tardigrade, snail-like, creeping, reptatorial, slowly, leisurely, piano, adagio, largo, larghetto, at half speed, under easy sail, at a foots pace, at a snail's pace, at a funeral pace, in slow time, with mincing steps, with clipped wings, haud passibus aequis, gradually, gradatim, by degrees, by slow degrees, by inches, by little and little, step by step, one step at a time, inch by inch, bit by bit, little by little, seriatim, consecutively, dum Roma deliberat Saguntum perit, at a glacial pace.

N  music, concert, strain, tune, air, melody, aria, arietta, piece of music, work, number, opus, sonata, rondo, rondeau, pastorale, cavatina, roulade, fantasia, concerto, overture, symphony, variations, cadenza, cadence, fugue, canon, quodlibet, serenade, notturno, dithyramb, opera, operetta, oratorio, composition, movement, stave, passamezzo, toccata, Vorspiel, instrumental music, full score, minstrelsy, tweedledum and tweedledee, band, orchestra, concerted piece, potpourri, capriccio, vocal music, vocalism, chaunt, chant, psalm, psalmody, hymn, song, canticle, canzonet, cantata, bravura, lay, ballad, ditty, carol, pastoral, recitative, recitativo, solfeggio, Lydian measures, slow music, slow movement, adagio, minuet, siren strains, soft music, lullaby, dump, dirge, pibroch, martial music, march, dance music, waltz, solo, duet, duo, trio, quartet, quartett, septett, part song, descant, glee, madrigal, catch, round, chorus, chorale, antiphon, antiphony, accompaniment, second, bass, score, bourdon, drone, morceau, terzetto, composer, musician, musical, instrumental, vocal, choral, lyric, operatic, harmonious, Wagnerian, adagio, largo, larghetto, andante, andantino, alla capella, maestoso, moderato, allegro, allegretto, spiritoso, vivace, veloce, presto, prestissimo, con brio, capriccioso, scherzo, scherzando, legato, staccato, crescendo, diminuendo, rallentando, affettuoso, obbligato, pizzicato, desto, in notes by distance made more sweet, like the faint exquisite music of a dream, music arose with its voluptuous swell, music is the universal language of mankind, music's golden tongue, the speech of angels, will sing the savageness out of a bear, music hath charms to soothe the savage beast, music, concert, strain, tune, air, melody, aria, arietta, piece of music, work, number, opus, sonata, rondo, rondeau, pastorale, cavatina, roulade, fantasia, concerto, overture, symphony, variations, cadenza, cadence, fugue, canon, quodlibet, serenade, notturno, dithyramb, opera, operetta, oratorio, composition, movement, stave, passamezzo, toccata, Vorspiel, instrumental music, full score, minstrelsy, tweedledum and tweedledee, band, orchestra, concerted piece, potpourri, capriccio, vocal music, vocalism, chaunt, chant, psalm, psalmody, hymn, song, canticle, canzonet, cantata, bravura, lay, ballad, ditty, carol, pastoral, recitative, recitativo, solfeggio, Lydian measures, slow music, slow movement, adagio, minuet, siren strains, soft music, lullaby, dump, dirge, pibroch, martial music, march, dance music, waltz, solo, duet, duo, trio, quartet, quartett, septett, part song, descant, glee, madrigal, catch, round, chorus, chorale, antiphon, antiphony, accompaniment, second, bass, score, bourdon, drone, morceau, terzetto, composer, musician, musical, instrumental, vocal, choral, lyric, operatic, harmonious, Wagnerian, adagio, largo, larghetto, andante, andantino, alla capella, maestoso, moderato, allegro, allegretto, spiritoso, vivace, veloce, presto, prestissimo, con brio, capriccioso, scherzo, scherzando, legato, staccato, crescendo, diminuendo, rallentando, affettuoso, obbligato, pizzicato, desto, in notes by distance made more sweet, like the faint exquisite music of a dream, music arose with its voluptuous swell, music is the universal language of mankind, music's golden tongue, the speech of angels, will sing the savageness out of a bear, music hath charms to soothe the savage beast.

N  musician, artiste, performer, player, minstrel, bard, accompanist, accordionist, instrumentalist, organist, pianist, violinist, flautist, harper, fiddler, fifer, trumpeter, piper, drummer, catgut scraper, band, orchestral waits, vocalist, melodist, singer, warbler, songster, chaunter, chauntress, songstress, cantatrice, choir, quire, chorister, chorus, chorus singer, liedertafel, nightingale, philomel, thrush, siren, bulbul, mavis, Pierides, sacred nine, Orpheus, Apollo, the Muses Erato, Euterpe, Terpsichore, tuneful nine, tuneful quire, composer, performance, execution, touch, expression, solmization, playing, musical, adagio, andante.