1. Used of syllables
   - atonic 
2. (used of vowels or syllables) pronounced with little or no stress
   - light, weak

See also: unstressed

• quicken
• quickener
• quickening
• quicker
• quickest
• quickie
• quicklime
• quickly
• quickness
• quicksand
• quickset
• quicksilver
• quickstep
• quicky
• quid
• quid pro quo
• quiddity
• quidnunc
• quids in
• quiesce
• quiescence
• quiescency
• quiescent
• quiescently
• quiet