Past tense of 'circularize': made circular or distributed to many people via circular notices (American spelling).
Regular past tense of 'circularize,' formed by adding '-ed.' Follows standard American English verb conjugation.
Past tenses are one of the most stable parts of English grammar—'-ed' endings have barely changed in 1,000 years, making them linguistic fossils that connect us directly to Middle English speakers.
Complete word intelligence in one call. Free tier — 50 lookups/day.