stop up
Third Person
stops up
Present Participle
stopping up
Past Tense
stopped up
Past Participle
stopped up
1
to seal something tightly
- She used a special wax to stop up the cracks in the old window.
- The plumber had to stop up the pipe to prevent any further water leakage.
- He decided to stop up the gaps in the door to keep the cold air out.
- To avoid any spills during transportation, the courier made sure to stop up the openings in the fragile package securely.