user-friendly(designed to be easy for an untrained user to use; especially (for a computer system) having a uniform look and feel and standard widgets. Ant: user-hostile. WT Alexander Demidov)
one-shotter(Professor M. Galanter, a noted American scholar in the field of the sociology of law, in a famous study analysed the difierences between parties who have only occasional recourse to the law (Сone-shotters') as against those who take part in litigation repeatedly (Сrepeat players'). CME Alexander Demidov)