1.NounThe period of time immediately following a marriage.
2.NounA trip taken by a newly married couple during this period.
"We went to Greece for our honeymoon."
3.NounA period of goodwill at the beginning of a new term or relationship (e.g. towards a newly elected politician or in respect of a new business arrangement).
"Now that the honeymoon is over, it’s time for us to get down to the business at hand.; The honeymoon period came to a swift end when the legislation was introduced."
4.VerbTo have a honeymoon (a trip taken by a couple after wedding).