Answer: sealin

AnswerCrossword Clue
SEALIN

Keep from escaping

SEALIN

Encase securely

SEALIN

Lock up tight

SEALIN
Enclose securely
SEALIN
Close up securely
SEALINProtect, as freshness
SEALINMake Tupperware-fresh
SEALINPrevent from escaping
SEALINImmure
SEALINSecurely fasten
SEALINEnclose
SEALINGive no escape