know the score

alive appreciative apprehensive attentive awake cognizant conscious familiar informed mindful receptive wise

acquainted alert appraised apprised au courant cool enlightened go-go groovy grounded heedful hip in the know in the picture into know what's what know-how knowing latched on on the beam on to perceptive plugged in savvy sensible sentient sharp tuned-in up on wise to wised up with it

heedless ignorant inattentive neglectful unaware unconscious unfamiliar unfriendly uninformed unknowledgeable

insensitive

adequate capable decent efficient proficient qualified skilled

adapted all around appropriate au fait being a pistol clever complete crisp dynamite endowed enough equal fireball fit fool good know ins and outs know one's business know one's stuff know the answers know the ropes no slouch on the ball paid one's dues pertinent polished satisfactory savvy sufficient suitable there up to it up to snuff up to speed wicked

impotent incapable incompetent inept insufficient unable unqualified unskilled unsuitable

inadequate inefficient

abreast knowledgeable learned

acquainted apprized briefed enlightened posted primed savvy up versed

au courant au fait erudite expert familiar in the know into know what's what on top of reliable tuned-in up on up-to-date versant well-read wise to

ignorant uninformed

unaware unknowledgeable

know the ins and outs