Adverb
In an irregular manner.
Source: Webster's dictionarythe stomach mucosa was irregularly blackened Source: Internet
the patient is breathing irregularly Source: Internet
her letters arrived irregularly Source: Internet
irregularly shaped solids Source: Internet
A 25-year-old Pretoria warehouse worker allegedly blew through some of the R5.7m in Covid-19 relief funds irregularly paid into his personal bank account by the Unemployment Insurance Fund (UIF). Source: Internet
A large, mostly shallow, irregularly shaped lagoon, containing a number of small islets, fills the east central part of the island. Source: Internet