retroflex

Adjective

• pronounced with the tip of the tongue turned back toward the hard palate

• bent or curved backward

Verb

• articulate (a consonant) with the tongue curled back against the palate
  • Indian accents can be characterized by the fact that speakers retroflex their consonants
    

• bend or turn backward

Related words

• Synonyms: 
  cacuminal , retroflexed , replicate