13th

adj

adj ·Rare ·Advanced level

Definitions

Adjective
  1. 1
    Abbreviation of thirteenth. abbreviation, alt-of, not-comparable

    "For a micromoon and Friday the 13th full moon to occur together is extraordinarily rare. The last time it happened was in 1832 and it won't happen again for more than 500 years according to Tony Rice, a meteorologist and engineer at NASA."

Adjective
  1. 1
    coming next after the twelfth in position wordnet

Synonyms

All synonyms
ordinalthirteenthxiiith

Example

More examples

"For a micromoon and Friday the 13th full moon to occur together is extraordinarily rare. The last time it happened was in 1832 and it won't happen again for more than 500 years according to Tony Rice, a meteorologist and engineer at NASA."

Related phrases

13th grade

More for "13th"

SynonymsSentencesPronunciationTranslate

Next best steps

Find stronger synonymsSee usage examplesCheck pronunciationBrowse writing guides

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