secondable adjective 1adverb 1 adjective1 •Capable of being seconded.The second motion, to adjourn, is secondable and requires a majority vote, but is not debatable or amendable, and cannot be reconsidered (no D, A or R shown). — 1953 adverb1 •Eggcorn of second of all.Secondable (see the firstable hyperlink), Facebook CEO Mark Zuckerberg says there isn't much headroom for his company's social networking site. — 2014
