unconceivable

[ uhn-kuhn-see-vuh-buhl ]
See synonyms for unconceivable on Thesaurus.com
adjectiveArchaic.

Origin of unconceivable

1
First recorded in 1605–15; un-1 + conceivable

Other words from unconceivable

  • un·con·ceiv·a·ble·ness, noun
  • un·con·ceiv·a·bly, adverb

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024