Definition of unaspirated in English:

unaspirated

adjective

Phonetics
  • (of a sound) not aspirated.

    • ‘These sounds also have, as instances, aspirated allophones, which occur in onset position of stressed syllables, and unaspirated allophones, which occur after s.’
    • ‘For the Mandarin speaker, both [ dz ] and [ ts ] fall into the unaspirated category and so do not contrast.’
    • ‘And some languages have three categories: negative (voiced), small (voiceless unaspirated), and large (voiceless aspirated).’
    • ‘Unaspirated sounds seem to be voiced, aspirated ones voiceless.’
    • ‘For instance, aspirated consonants are written with a small superscript h after the symbol for the corresponding unaspirated consonant.’

Pronunciation:

unaspirated

/ˌənˈaspəˌrādəd/