冗

joke

verbose output

duplication

(talking in a) half-joking manner

half joking

redundancy (information theory)

redundancy

joking matter

redundancy check

joke

chatter

supernumerary

redundant configuration

fully redundant

fully redundant system

unnecessary work

redundancy

supernumerary official

being somewhat (half) joking

superabundance

redundant system (string, line)

tedious

fully redundant

redundancy (in information theory)

redundancy

to carry a joke too far

CRC

unnecessary expense

jokingly

it's no joke

redundant power supply

to crack a joke

verbiage

Ein Musikalischer Spaß (Mozart)

seriously

cyclic redundancy check

to pass (something) off as a joke

Vertical Redundancy Check

redundancy code

redundant phrase

worthless painting and writing

waste

verbosity