uninvited

un- +‎ invited

uninvited (not comparable)

1. Not invited.
   • 1997, Alanis Morissette (lyrics and music), “Uninvited”, performed by Alanis Morissette:

     But you, you're not allowed / You're uninvited / An unfortunate slight

uninvited (plural uninviteds)

1. (rare) One who was not invited.
   • 1917 April, Charme Seeds, “School Activities and the College Girl”, in The Ohio State University Monthly, volume 8, number 9, page 38:

     The uninvited came to a Twilight concert! He was old and gray and blase and a cynic.

   • 2011, Sam Scholfield, Awkward.: What to Do When Life Makes You Cringe-A Survival Guide:

     In the future, if you know that you're going to be mixing inviteds and uninviteds while out, call them all ahead of time to caution the inviteds against talking about the wedding and to tell the uninviteds about your guest list so they know you didn't forget about them […]

   • 2020, Natali Stoyanov, translated by Ingrid Turis, The forest’s legends, →ISBN:

     As if the uninvited was trying to escape from pain and that truth of that the lake's waters turned black because of her presence.

From uninvite.

uninvited

1. simple past and past participle of uninvite