keeping dark (verb) conceal: hide, disguise
Sinonime: captivated, consumed, deep in thought, engaged, engrossed,
fascinated,
fixed,
gone*, head over heels, held, immersed, intent, involved, lost, preoccupied,
rapt, really into, up to here, wrapped up
Antonime: bored,
disinterested,
distracted,
indifferent,
uninterested