Adjective: bygone 'bI,gón- Well in the past; former
"bygone days";
- bypast [archaic], departed, foregone, gone
Noun: bygone 'bI,gón- Past events to be put aside
"let bygones be bygones";
- water under the bridge [informal]
Derived forms: bygones
See also: past
Type of: past, past times, yesteryear