Definition of inopportuneness in English:

inopportuneness

Pronunciation /inˌäpərˈt(y)o͞onnəs/ /ɪnˌɑpərˈt(j)unnəs/

noun

See inopportune

‘It perplexed, as well as shocked her, by the irreverent inopportuneness of the occasions that brought it into vivid action.’
  • ‘When the sad news reached Rome, not only was the loss of the man severely felt, but also the inopportuneness of the time when it occurred.’