not budge (?.)

• balk
• be a sideliner
• be still
• be unflappable
• coast
• delay
• die hard
• do nothing
• drift
• get home free
• hang fire
• hibernate
• hold fast
• hold out
• hold up
• idle
• lie dormant
• not stir
• persevere
• remain firm
• rest
• ride it out
• sit back
• sit it out
• stagnate
• stand fast
• stand firm
• stand out
• stand pat
• stay put
• stick it out
• stickle
• take no denial
• vegetate
• wait and see
• watch and wait
• weather
• weather the storm