annul /ə-nulˈ/

1. To make null
2. To reduce to nothing
3. To abolish

annulˈment noun

• cut the Gordian knot
• cut the ground from under someone's feet
• cut the mustard
• cut-throat
• cut-throats
• cuttier
• desegregating
• desegregation
• desegregationist
• desegregationists
• desegregations
• deselect
• deselected
• deselecting
• deselection
• deselections
• deselects
• desensitisation
• desensitise
• desensitised
• desensitiser
• desensitisers
• desensitises
• desensitising
• desensitization