Things that have happened in the past will or tend to happen again in one way or another.

(informal, often humorous) Indicating that an action or process was repeated, or needs to be repeated. / (informal, satirical) Indicating that an action or process happens often and is futile.

plural of short tandem repeat

(genetics) A pattern in DNA where two or more nucleotides are repeated and the repeated sequences are directly adjacent to each other, used in determining genetic profiles to identify an individual.

plural of trinucleotide repeat disorder

(law) repeated actual bodily harm

(genetics) Any DNA sequence that exists in multiple copies strung together in various tandem lengths.

A request for the interlocutor to repeat what the speaker says next. Often used in language training.

Foolish people repeatedly do foolish things.