1. To an unimaginable extent
   - unimaginably

See also: unthinkable

• defoliation
• defoliator
• deforce
• deforest
• deforestation
• deform
• deformation
• deformational
• deformed
• deformity
• defragment
• defragmentation
• defraud
• defrauder
• defray
• defrayal
• defrayment
• defrock
• defrost
• defroster
• deft
• deftly
• deftness
• defunct
• defunctness