Phrases starting with the letter: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Previous word: undeceived
Next word: undecided
Definition of: undecennial
(un′di·sen′ē·əl) adjective
1. Pertaining to a period of eleven years or to the eleventh year.
2. Lasting eleven years, or occurring or celebrated on the eleventh year or every eleven years. Also un′de·cen′na·ry (-sen′ər·ē). [<L undecim eleven + annus year]
Comment about this word, ask questions, or add new information about this topic: