adj, noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   Alternative form of xoxo (an abbreviation for hugs and kisses, usually placed at the end of a letter.) alt-of, alternative
2. 2
   Initialism of executive officer. abbreviation, alt-of, initialism
3. 3
   Alternative letter-case form of xo (“hugs and kisses”). alt-of

   "Looking out on the substitute scene / Still going strong / XO, Mom"

4. 4
   Alternative form of X-O. alt-of, alternative

Adjective

1. 1
   Initialism of extra old; a grade of premium cognac that has been aged in barrels for more than 6.5 years. abbreviation, alt-of, initialism, not-comparable

Synonyms

All synonyms

1o2o3o4ocoexecutive officer

Example

More examples

"Looking out on the substitute scene / Still going strong / XO, Mom"

Related phrases

XO sauce

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