make undecipherable or imperceptible by obscuring or concealing
mark for deletion, rub off, or erase
remove completely from recognition or memory
reduced to nothingness
do away with completely, without leaving a trace
maintain by writing regular records
have and exercise
state categorically
keep in safety and protect from harm, decay, loss, or destruction
support against an opponent
state or assert
stick to correctly or closely
supply with necessities and support
cause to continue in a certain state, position, or activity; e.g., `keep clean'
maintain for use and service
