1. (

• atonic ,
• unaccented ,

) (used of syllables) carrying no stress; "an atonic syllable carries no stress" ;

2. (

• unaccented ,
• light ,
• weak

) (used of vowels or syllables) pronounced with little or no stress; "a syllable that ends in a short vowel is a light syllable"; "a weak stress on the second syllable" ;