commonplace and ordinary; "the familiar everyday world"
found in the ordinary course of events; "a placid everyday scene"; "it was a routine day"; "there's nothing quite like a real...train conductor to add color to a quotidian commute"- Anita Diamant
marked by immorality; deviating from what is considered right or proper or good; "depraved criminals"; "a perverted sense of loyalty"; "the reprobate conduct of a gambling aristocrat"
a device for showing the operating condition of some system
a signal for attracting attention
(chemistry) a substance that changes color to indicate the presence of some ion or substance; can be used to indicate the completion of a chemical reaction or (in medicine) to test for a particular reaction