extra-duty

Fetched 2026-10-26 (cache).

Datamuse reports no synonyms or antonyms for this word.

Adjective

1. {{lb|en|tennis}} {{n-g|Describing a [[tennis ball]] having a [[thick]]er [[felt]] [[weave|woven]] more [[loosely]] around the ball's core, designed for [[hard court]] surfaces such as [[asphalt]] or [[concrete]].}}

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.