biggen
intransitive verb
big·gen ˈbi-gən 
-ed/-ing/-s
now dialectal British
: to become big : increase in size
Word History
Etymology
big entry 1 + -en
- diastases
- diastatic
- diastem
- diastema
- diastemas
- diastemata
- diastemic
- diastems
- diastereoisomer
- diastereoisomeric
- diastereoisomerism
- diastereoisomerisms
- diastereoisomers
- diastereomer
- diastereomeric
- diastereomers
- diasters
- diastimeter
- diastole
- diastoles
- diastolic
- diastomatic
- diastrophe
- diastrophic
- diastrophically