line (noun) line: mark, stroke; border
Sinonime: abreast,
acquainted,
alive,
apprehensive,
au courant, au fait, aware, cognizant, comprehending,
conscious,
cool*, down with, hep, hip*, informed,
into, kept posted,
knowing, knowledgeable,
learned, on the beam,
perceptive, percipient, plugged in, practiced,
proficient,
sensible,
sentient,
skilled,
up*, up-to-date, versant, versed, well-informed, witting
Antonime: ignorant,
inexperienced,
quiet,
silent