(idiomatic) A particularly noteworthy day; the day on which a milestone or especially memorable event occurs. / (Christianity, sometimes capitalized) Sunday, especially Easter Sunday.

Alternative form of day of days

plural of day of days

plural of day

A particular time or period of vague extent. / Life.

Third-person singular simple present indicative form of day

During the day.

Currently, at present.

plural of to-day

Used other than figuratively or idiomatically: see for, days. / (US, Canada, informal) For a large amount or distance; a lot. / (US, Canada, informal) To a great degree; very much.