Synonyms of unbidden in English:

unbidden


See definition of unbidden

adjective

1‘often the unbidden guest proves the best company’

SYNONYMS
uninvited, unasked, unrequested, unsolicited
unwanted, unwelcome

2‘unbidden excitement grew deep inside her’

SYNONYMS
spontaneous, unprompted, voluntary, unforced, uncompelled, unplanned, unpremeditated, spur-of-the-moment
informal off-the-cuff