Meanings
nad1
- human sciencesnoun animate dependent
nad2
plural nads
- singularsingular of nads
I look down and the little one has already cut right through my ball sac and is in the process of slicing my left nad free.
2004, Bob Gunn, Sex, Ghosts and Gumshoes, page 119
NAD3
- abbreviationinitialismuncountablebiochemistryInitialism of nicotinamide adenine dinucleotide.
Numerous studies have shown restoring NAD+ levels safely improves overall health and increases life span in yeast, mice and dogs.
2022 June 2, Sandee LaMotte, “The ‘Benjamin Button’ effect: Scientists can reverse aging in mice. The goal is to do the same for humans”, in CNN
- abbreviationinitialismmedicineInitialism of nothing abnormal (or no abnormality) discovered (or detected).
- abbreviationinitialismInitialism of National Association for the Deaf.
Several NAD members I interviewed have been working with the FMCSA and cited a history of FMCSA’s negative language regarding the pilot program and ableist comments by those involved in the industry posted in response to the petition among other factors as reasons for concern.
2020 April 16, Sara Novic, “What deaf truckers have to fear from the Trump administration”, in CNN
Synonyms & antonyms
nouna coenzyme present in most living cells and derived from the B vitamin nicotinic acid; serves as a reductant in various metabolic processes
Synonym sets from Open English WordNet, CC BY 4.0.
Origin
Clipping of gonad.
Full word history & related roots →Rhymes & wordplay
Anagrams
Cite this entry
nad. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/nad
“nad.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/nad. Accessed November 2, 2026.
WatkinsX Dictionary, s.v. “nad,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/nad.
Source: nad on Wiktionary, CC BY-SA 4.0.