stickle (v.)

• balance
• balk
• blench
• boggle
• contend
• debate
• deliberate
• demur
• falter
• fear
• flinch
• gag
• hesitate
• hover
• jib
• kick
• object
• pause
• persevere
• ponder
• precipitate
• protest
• quail
• recoil
• retreat
• scruple
• sheer
• shrink
• shy
• stall
• stick
• strain
• stumble
• waver
• wince
• withdraw
• yield