intransitive verb. To submit to an overpowering force or yield to an overwhelming desire; give up or give in. synonym: yield.

intransitive verb. To die, especially from a disease or injury.

To sink or give way under pressure or superior force; be defeated; yield; submit; hence, to die.

transitive verb. To yield; to submit; to give up unresistingly

verb. To yield to an overpowering force or overwhelming desire.

verb. To give up, or give in.

verb. To die.

verb. be fatally overwhelmed

verb. consent reluctantly

"The family agreed to undergo testing to aid the research and though the names of family members who will succumb is known in the laboratories the family agreed they didn't want to be told."

succumbed  succumbing  

buy the farm  cash in one's chips  choke  conk  croak  

Brum  Krum  Mum  alum  become  

abandon  accede  accept  acquiesce  assent  

succumbed  succumbing  succumbs