clog1 /klɒɡ $ klɑːɡ/ (
also clog up)
verb (
past tense and past participle clogged,
present participle clogging)
[intransitive and transitive][
Date: 1500-1600;
Origin: clog 'to prevent an animal from moving by tying a wooden block to it' (14-19 centuries), from clog (noun); ⇒ clog2]
to block something or become blocked:
tourists whose cars clog the roads each summerclog with Over many years, the pipes had got clogged up with grease.—clogged adjective:
clogged highways [TahlilGaran] Dictionary of Contemporary English ▲