(informal, often in the negative) An easy and pleasant task or situation.

lasting one day

plural of big day

The day of one's wedding. / Any day on which something significant or momentous happens.

(New Zealand) The day, traditionally 1 June, when sharemilkers move their cattle from one farm to another.

Third-person singular simple present indicative form of carry the day

simple past tense and past participle of carry the day

present participle of carry the day

To lead to victory or success; to prevail.

(Christianity) Any of the three days within the same week, four separate sets of which occur roughly equidistant in the circuit of the year, that are set aside for fasting and prayer. In Western Christianity they are usually the Wednesday, Friday, and Saturday following the first Sunday in Lent, Whitsunday, Holy Cross Day (14 September), and Saint Lucy's Day (13 December).