Synonyms:
unaccented, light, weak
Meaning: (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"
Synonyms:
fallible, frail, imperfect, weak
Meaning: wanting in moral strength, courage, or will; having the attributes of man as opposed to e.g. divine beings; "I'm only a fallible human"; "frail humanity"