Answer: sansserif

AnswerCrossword Clue
SANSSERIFLiterally, "without lines"
SANSSERIFTypeface description
SANSSERIFGothic style of type.
SANSSERIFUndecorated type?
SANSSERIFLike Helvetica, e.g.
SANSSERIFHelvetica or Arial, e.g.
SANSSERIFLike Helvetica and Futura
SANSSERIFUnembellished type