Home › Words › B › birthaversarybirthaversarybirthaversary means the combined celebration of one's birthday and one's anniversary, especially when the two individual events are near each other in date.EtymologyBlend of birthday + -a- + anniversary.nounThe combined celebration of one's birthday and one's anniversary, especially when the two individual events are near each other in date.A birthday.Definitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.adoptaversary 67% match — The anniversary of an adopted child’s or pet’s adoption day. vs birthaversary →dateaversary 65% match — The anniversary of a couple’s first date; dating anniversary. vs birthaversary →birthfeast 62% match — A feast held to celebrate a birthday. vs birthaversary →birthday 62% match — The anniversary of the day on which someone is born. vs birthaversary →meetaversary 62% match — The anniversary of a couple’s first meeting. vs birthaversary →blogiversary 59% match — The anniversary of one's first blog post. vs birthaversary →deathiversary 58% match — The anniversary of someone's death. vs birthaversary →birthdayish 58% match — Resembling or characteristic of a birthday. vs birthaversary →