You searched for: “laconicisms”
laconicism (s) (noun), laconicisms (pl)
A terseness or short and concise expressive style of saying a great deal in just a few words: "Mike's laconicism indicated his lack of interest in the topic that was presented during the meeting."
This entry is located in the following units: -ism, -ismus (page 31) laconi-, lacon- + (page 1)