Meanings
adjectiveultraefficient (not comparable)
- not comparableExtremely efficient; of utmost efficiency.
Origin
Rhymes & wordplay
Rhymes with ultraefficient
efficientsufficientinsufficientcoefficientproficientdeficientinefficientomniscientimmunodeficientperficientallicientbeneficientbideficientbiodeficientcalorifacientcogniscientcost-efficientecoefficienteigencoefficientequiefficienthaplodeficienthaploinsufficienthaploproficienthaplosufficient
All rhymes →Cite this entry
APA
ultraefficient. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/ultraefficient
MLA
“ultraefficient.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/ultraefficient. Accessed November 2, 2026.
Chicago
WatkinsX Dictionary, s.v. “ultraefficient,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/ultraefficient.
Source: ultraefficient on Wiktionary, CC BY-SA 4.0.