un ‧ der ‧ cut /ˌʌndəˈkʌt $ -ər-/ BrE AmE verb ( past tense and past participle undercut , present participle undercutting ) [transitive]
[ Word Family: noun : ↑ cut , ↑ cutting , ↑ cutter ; verb : ↑ cut , ↑ undercut ; adjective : ↑ cutting ]
1 . to sell goods or a service at a lower price than another company SYN undersell :
Online bookstores can undercut retailers by up to 30%.
2 . to make something weaker or less effective SYN undermine :
Is a lack of self-confidence undercutting your performance at work?