Coordinate term: regular-duty
Source: wiktionary
Extra-duty
Synonyms for "extra-duty"
Ranked by relevance and common usage.
Sample sentences
2 total sentences available.
The men at the U.S. Open use what is known as an “extra-duty” ball, which means the felt on the outside of the ball is woven slightly more loosely than the “regular-duty” ball the women use. […] Extra-duty balls are the balls of choice for outdoor hardcourts, like those at the U.S. Open, except when they are not.
Source: wiktionary
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.