1. Sound like a half-formed whistle expressing astonishment, scorn, or dislike 
2. Expresses relief or tiredness
   - phew

Sounds like: few, phew, feu

• Tigers
• tight
• tight end
• tight money
• tight-knit
• tight-laced
• tighten
• tighten one's belt
• tighten up
• tightener
• tightening
• tightfisted
• tightfistedness
• tightfitting
• tightlipped
• tightly
• tightly fitting
• tightly knit
• tightness
• tightrope
• tightrope walker
• tightrope walking
• tights
• tightwad
• tiglon