- IPA(key): (Spain) /senθiˈʝisimo/ [sẽn̟.θiˈʝi.si.mo]
- IPA(key): (most of Spain) /senθiˈʝisimo/ [sẽn̟.θiˈʝi.si.mo]
- IPA(key): (rural northern Spain) /senθiˈʎisimo/ [sẽn̟.θiˈʎi.si.mo]
- IPA(key): (Latin America) /sensiˈʝisimo/ [sẽn.siˈʝi.si.mo]
- IPA(key): (most of Latin America) /sensiˈʝisimo/ [sẽn.siˈʝi.si.mo]
- IPA(key): (Andes Mountains, Philippines) /sensiˈʎisimo/ [sẽn.siˈʎi.si.mo]
- IPA(key): (Buenos Aires and environs) /sensiˈʃisimo/ [sẽn.siˈʃi.si.mo]
- IPA(key): (elsewhere in Argentina and Uruguay) /sensiˈʒisimo/ [sẽn.siˈʒi.si.mo]
- Rhymes: -isimo
- Syllabification: sen‧ci‧llí‧si‧mo
sencillísimo (feminine sencillísima, masculine plural sencillísimos, feminine plural sencillísimas)
- superlative degree of sencillo