English edit

Etymology edit

platitudinal +‎ -ly

Adverb edit

platitudinally (comparative more platitudinally, superlative most platitudinally)

  1. In a platitudinal manner.
    • 1866, The Evangelical Repository, volume 1, page 62:
      And they never wasted their energies in rolling out, platitudinally, such ideas as that "Christ is the Son of God in virtue of being himself uncreated," &c.