1. (

• hesitate ,
• waver ,
• waffle

) pause or hold back in uncertainty or unwillingness; "Authorities hesitate to quote exact figures" ;

2. (

• falter ,
• waver ,

) be unsure or weak; "Their enthusiasm is faltering" ;

3. (

• falter ,
• waver ,

) move hesitatingly, as if about to give way ;

4. (

• fluctuate ,
• vacillate ,
• waver ,

) move or sway in a rising and falling or wavelike pattern; "the line on the monitor vacillated" ;

5. (

• flicker ,
• waver ,
• flitter ,
• flutter ,
• quiver ,

) move back and forth very rapidly; "the candle flickered" ;

6. (

• waver ,
• weave ,

) sway from side to side ;

7. (

• quaver ,
• waver

) give off unsteady sounds, alternating in amplitude or frequency ;