Definition of acrostically in English:

acrostically

adverb

  • In the manner of an acrostic.

Origin

Early 17th century; earliest use found in John Lightfoot (1602–1675), Hebraist and biblical scholar. Either from acrostical + -ly, or from acrostic + -ally.

Pronunciation:

acrostically

/əˈkrɒstɪkli/