nailed down;nailing down;nails down 1 :to make (something, such as a victory) certain to happen They need to score another touchdown tonail downthe victory. 2 :to find out or identify (something) exactly Her doctors haven't yet been able tonail downa diagnosis. ...
play word of the day bilk see definitions and examples » get word of the day daily email! popular in grammar & usage see all plural and possessive names: a guide commonly misspelled words how to use em dashes (—), en dashes (–) , and hyphens (-) absent letters that are ...