Princeton's WordNet

1. circular, handbill, bill, broadside, broadsheet, flier, flyer, throwaway(adj)

   an advertisement (usually printed on a page or in a leaflet) intended for wide distribution

   "he mailed the circular to all subscribers"

2. round, circular(adj)

   having a circular shape

3. circular, rotary, orbitual(adj)

   describing a circle; moving in a circle

   "the circular motion of the wheel"

Kernerman English Learner's Dictionary

1. circular(adjective)ˈsɜr kyə lər

   in the shape of a circle

   a circular path; rugs made in a circular shape

Wiktionary

1. circular(Noun)

   A printed advertisement, directive, or notice intended for mass distribution; a flyer

2. circular(Noun)

   In the Administration, a circular letter

3. circular(Noun)

   A sleeveless cloak, cut in circular form.

4. circular(Adjective)

   Of or relating to a circle

5. circular(Adjective)

   in the shape of, or moving in a circle

6. circular(Adjective)

   circuitous or roundabout

7. circular(Adjective)

   defining one word in terms of another that is itself defined in terms of the first word

8. circular(Adjective)

   distributed to a large number of persons

Webster Dictionary

1. Circular(adj)

   in the form of, or bounded by, a circle; round

2. Circular(adj)

   repeating itself; ending in itself; reverting to the point of beginning; hence, illogical; inconclusive; as, circular reasoning

3. Circular(adj)

   adhering to a fixed circle of legends; cyclic; hence, mean; inferior. See Cyclic poets, under Cyclic

4. Circular(adj)

   addressed to a circle, or to a number of persons having a common interest; circulated, or intended for circulation; as, a circular letter

5. Circular(adj)

   perfect; complete

6. Circular(adj)

   a circular letter, or paper, usually printed, copies of which are addressed or given to various persons; as, a business circular

7. Circular(adj)

   a sleeveless cloak, cut in circular form

• sirkelvormigAfrikaans
• دائريArabic
• кръгълBulgarian
• circularPortuguese (BR)
• kruhový, kruhovitýCzech
• kreisrundGerman
• rund; cirkulærDanish
• στρογγυλός, κυκλικόςGreek
• circularSpanish
• sõõrjasEstonian
• گردFarsi
• pyöreäFinnish
• circulaireFrench
• מעוּגָלHebrew
• वृत्ताकारHindi
• kružniCroatian
• kör alakúHungarian
• bundarIndonesian
• hringlagaIcelandic
• circolareItalian
• 円形のJapanese
• 원형의Korean
• apskritas, apvalusLithuanian
• apaļšLatvian
• bulatMalay
• cirkelvormigDutch
• ringformet, (sirkel)rund, sirkel-, rund-Norwegian
• kolistyPolish
• گردPersian
• دايروى، سطحه چه په دايره كې احاطه شوې وى: په دايره كې اياددايرې پر شاوخوا خو ځېدونكى: متحد المال ليكPashto
• circularPortuguese
• circular, rotundRomanian
• круглыйRussian
• kruhovýSlovak
• okrogelSlovenian
• okrugaoSerbian
• cirkelrundSwedish
• ที่เป็นวงกลมThai
• çember şeklindeTurkish
• 圓形的Chinese (Trad.)
• круглий, кругоподібнийUkrainian
• گول ، مدوّرUrdu
• có hình trònVietnamese
• 圆形的Chinese (Simp.)