1) Atonic 2) Unaccented 3) Unemphatic 1) Feminine 2) Kind of syllable 3) Light 4) Short 5) Unaccented 6) Unemphatic 7) Weak 
Lightly stressed as opposed to heavily stressed--i.e., a syllable that has little prominence when sp
[adj] - not bearing a stress or accent
adjective not bearing a stress or accent; `short vowels are unstressed`
without stress or emphasis, as a syllable in a word. · not receiving or subjected to stress, wear, etc.: the unstressed parts of a car body.