Meanings
adjectiveone-year-old (not comparable)
nounone-year-old (plural one-year-olds)
plural one-year-olds
- A child or animal that is one year of age.
Synonyms: yearling
Synonyms & antonyms
adjectiveHaving lived or existed for one year.
Similar
nounA child or animal that is one year of age.
Similar
More synonyms by meaning
Synonym sets from Open English WordNet, CC BY 4.0.
Origin
Translations
Bulgarian едногоди́шен
- едногоди́шен (ednogodíšen)having existed for one year
Finnish yksivuotias, yksivuotias
- yksivuotiashaving existed for one year
- yksivuotiasthat is one year of age
Hungarian egyéves
- egyéveshaving existed for one year
Norwegian Bokmål ettårig, ettåring
- ettårighaving existed for one year
- ettåringthat is one year of age
Polish roczny
- rocznyhaving existed for one year
Russian годова́лый
- годова́лый (godovályj)having existed for one year
Swedish ettårig, ettåring
- ettårighaving existed for one year
- ettåringthat is one year of age
Ukrainian однорі́чний, однолі́тній
- однорі́чний (odnoríčnyj)having existed for one year
- однолі́тній (odnolítnij)having existed for one year
Cite this entry
APA
one-year-old. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/one-year-old
MLA
“one-year-old.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/one-year-old. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “one-year-old,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/one-year-old.
Source: one-year-old on Wiktionary, CC BY-SA 4.0.