Synonyms of 'blockage'
obstructionDictionary, block, blocking
The logical treatment is to remove the blockage.
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Something that is an impediment to a person or thing makes their movement, development, or progress difficult.
There is no legal impediment to the marriage.
Thesaurus for blockage from the Collins English Thesaurus
A blockage in a pipe , tube , or tunnel is an object which blocks it, or the state of being blocked.