Meanings
nounfederal yellow (plural federal yellows)
plural federal yellows
- USdatedA shade of yellow used in US government vehicles and school buses, intended to be noticed quickly.
Synonyms: highway yellow, safety yellow
Synonyms & antonyms
nounA shade of yellow used in US government vehicles and school buses, intended to be noticed quickly.
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APA
federal yellow. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/federal%20yellow
MLA
“federal yellow.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/federal%20yellow. Accessed November 2, 2026.
Chicago
WatkinsX Dictionary, s.v. “federal yellow,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/federal%20yellow.
Source: federal yellow on Wiktionary, CC BY-SA 4.0.