invalidate
/ɪnˈvælɪdeɪt/
CEFR level C1Topic GovernmentWord #6560 in the learning path
使失效；使作废
Definitions
v. to make something no longer legally or officially acceptable
使失效；使作废
v. to show that an argument or result is not sound
使不能成立
Example
Opening the device yourself may invalidate its warranty.
自行拆开这台设备可能会使保修失效。
A sample that excludes older adults may invalidate conclusions about the health needs of the wider population.
如果样本排除了老年人，关于整体人口健康需求的结论就可能无法成立。
Collocations
- invalidate a warranty
- invalidate a contract
- invalidate the results
Word family
- invalid (adj.)
- invalidation (n.)
- valid (adj.)
- validate (v.)
Synonyms
- nullify
- void
Antonyms
- validate
Usage tip
可指合同等正式失效，也可指证据使结论不能成立。
FAQ
- What does invalidate mean?
- to make something no longer legally or officially acceptable to show that an argument or result is not sound
- How is invalidate pronounced?
- UK /ɪnˈvælɪdeɪt/, US /ɪnˈvælɪdeɪt/. Use the audio buttons above to listen.
