malapropos
1. [ adverb ] at an inconvenient time
Synonyms: inopportunely
Examples:

"he arrived inopportunely just as we sat down for dinner" "she answered malapropos"

Related terms: opportunely inopportune inopportune
2. [ adjective ] of an inappropriate or incorrectly applied nature
Related terms: apropos inapposite inappropriate appropriateness
Similar spelling:   malaprop
  malapropism
  Malabar_kino