noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A word or phrase that forms a different word or phrase when its letters are reversed.
2. 2
   A word or phrase in which a small portion is palindromic, while the rest is not.
3. 3
   A sequence of DNA that can be superimposed with its reverse complement.

Synonyms

All synonyms

half-palindromesemordnilap

Etymology

From the prefix "semi-" meaning "half" and "palindrome," indicating a partial or variant form of a palindrome.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.