Irepressibly or Irrepressibly: How To spell?
The word Irepressibly is misspelled against Irrepressibly, an adverb meaning "In a manner or to a degree that can not be repressed."
Irrepressibly has double "rr" is mispronounced as "r"Remember double 'RR' in between the strings i & epressibly which should not be misspelled with single 'R'
Wrong Spelling:  i-r-epressibly  Correct Spelling:  i-rr-epressibly 
Find more wrongly spelled words of Irrepressibly to spell it well.