unaccented has definitions from the field of prosody
1
[ adjective ] used of vowels or syllables; pronounced with little or no stress

Synonyms

light weak

Examples

"a syllable that ends in a short vowel is a light syllable" "a weak stress on the second syllable"

Related terms

unstressed

2
[ adjective ] used of syllables

Synonyms

atonic

Examples

"an atonic syllable carries no stress"

Related terms

tonic

3
[ adjective ] (prosody) not bearing a stress or accent

Synonyms

unstressed

Examples

"short vowels are unstressed"

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