1. (a. & adv.) With a constantly increasing volume of voice; with gradually increasing strength and fullness of tone; -- a direction for the performance of music, indicated by the mark, or by writing the word on the score.

2. (n.) A gradual increase in the strength and fullness of tone with which a passage is performed.

3. (n.) A passage to be performed with constantly increasing volume of tone.

a cappella abbandono access accession accrescendo accretion accrual accrue accruement accumulate accumulation acme adagietto adagio add to addition adjunct advance affettuoso aggrandize aggrandizement agilmente agitato allegretto allegro amabile amoroso ampliation amplification amplify andante andantino apex apogee appassionatamente appassionato appreciate appreciation ascent augment augmentation awake the dead balloon ballooning blast blast the ear bloat bloating blow up boom boost breed brillante broaden broadening build build up buildup bulk bulk out capriccioso capstone climax con affetto con agilita con agitazione con amore crash crest culmen culmination deafen decrescendo deployment develop development dilate diminuendo din dispersion distend dolce edema elevation enlarge enlargement expand expansion extend extension fanning out fill out fill the air flare flood forte fortissimo fullness gain gain strength get ahead go up greaten greatening grow growth gush hike hike up hiking huff increase increment inflate inflation intensify intensity jump lamentabile larghetto larghissimo largo leap legato leggiero loudishness loudness magnification magnify marcando meridian morendo mount mounting multiplication multiply parlando peak peal pianissimo piano pizzicato prestissimo presto productiveness proliferate proliferation puff puff up pump pump up raise raising rallentando rarefy rattle the windows rend the air rend the ears resound ring rise ritardando ritenuto rock the sky run up scherzando scherzo scherzoso shoot up snowball snowballing sonority sonorousness sordo sotto voce spiccato splay split the eardrums split the ears spread spreading staccato startle the echoes strengthen stretch stretto stun sufflate surge surge of sound swell swelling thunder tremolando tremoloso trillando tumefy tumescence up upping upsurge upswing uptrend upturn volume wax waxing widen widening