Retardation
//ˌɹiː.tɑːˈdeɪ̯.ʃən//
Pronunciation
US //ˌɹiː.tɑːˈdeɪ̯.ʃən//
US //ˌɹi.tɑɹˈdeɪ̯.ʃən//
US //ˌɹiː.tɐːˈdæɪ̯.ʃən//
US //ˌɹi.taɹˈde.ʃən//
US //ˌɾiː.ʈɑː(ɾ)ˈɖeː.ʃon//
US
Syllables: 4
Phonemes: R IY0 T AA0 R D EY1 SH AH0 N
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.