(military) Initialism of date of service. / (military) Initialism of date of separation. / (computing, Internet) Initialism of denial of service. / (sciences) Initialism of density of states.

(computing, historical) Acronym of Disk Operating System, a family of disk-based operating systems. / (US) Initialism of Department of State.

A deed or action, especially when somebody is held responsible for it.

present participle of do

The sound made by an elastic object when struck by or striking a hard object.

(music) plural of do

Used other than figuratively or idiomatically: see will, do. / (by ellipsis) Affirmative yes in response to an especially personal or direct request for the performance of some action.

Used directly after the verb have or have got. / Used after the verb have or have got and a pronoun or determiner. / Used after a pronoun or determiner without the verb have or have got.

A fuss made over something. / A task that has been noted as one that must be completed, especially on a list.

plural of to-do