in or to or toward the rear; "he followed behind"; "seen from behind, the house is more imposing than it is from the front"; "the final runners were far behind"
remaining in a place or condition that has been left or departed from; "when he died he left much unfinished work behind"; "left a large family behind"; "the children left their books behind"; "he took off with a squeal of tires and left the other cars far behind"
in debt; "he fell behind with his mortgage payments"; "a month behind in the rent"; "a company that has been run behindhand for years"; "in arrears with their utility bills"
in or into an inferior position; "fell behind in his studies"; "their business was lagging behind in the competition for customers"
of timepieces; "the clock is almost an hour slow"; "my watch is running behind"
(of sleep) deep and complete; "a heavy sleep"; "fell into a profound sleep"; "a sound sleeper"; "deep wakeless sleep"
lacking lightness or liveliness; "heavy humor"; "a leaden conversation"
requiring or showing effort; "heavy breathing"; "the subject made for labored reading"
full of; bearing great weight; "trees heavy with fruit"; "vines weighed down with grapes"
sharply inclined; "a heavy grade"
dense or inadequately leavened and hence likely to cause distress in the alimentary canal; "a heavy pudding"
of comparatively great physical weight or density; "a heavy load"; "lead is a heavy metal"; "heavy mahogany furniture"
large and powerful; especially designed for heavy loads or rough work; "a heavy truck"; "heavy machinery"
marked by great psychological weight; weighted down especially with sadness or troubles or weariness; "a heavy heart"; "a heavy schedule"; "heavy news"; "a heavy silence"; "heavy eyelids"
unusually great in degree or quantity or number; "heavy taxes"; "a heavy fine"; "heavy casualties"; "heavy losses"; "heavy rain"; "heavy traffic"
(physics, chemistry) being or containing an isotope with greater than average atomic mass or weight; "heavy hydrogen"; "heavy water"
of great intensity or power or force; "a heavy blow"; "the fighting was heavy"; "heavy seas"
slow and laborious because of weight; "the heavy tread of tired troops"; "moved with a lumbering sag-bellied trot"; "ponderous prehistoric beasts"; "a ponderous yawn"
of the military or industry; using (or being) the heaviest and most powerful armaments or weapons or equipment; "heavy artillery"; "heavy infantry"; "a heavy cruiser"; "heavy guns"; "heavy industry involves large-scale production of basic products (such as steel) used by other industries"
full and loud and deep; "heavy sounds"; "a herald chosen for his sonorous voice"
made of fabric having considerable thickness; "a heavy coat"
of relatively large extent and density; " a heavy line"
(of an actor or role) being or playing the villain; "Iago is the heavy role in `Othello'"
slowly as if burdened by much weight; "time hung heavy on their hands"
uneducated in the fundamentals of a given art or branch of learning; lacking knowledge of a specific field; "she is ignorant of quantum mechanics"; "he is musically illiterate"
uneducated in general; lacking knowledge or sophistication; "an ignorant man"; "nescient of contemporary literature"; "an unlearned group incapable of understanding complex issues"; "exhibiting contempt for his unlettered companions"
unaware because of a lack of relevant information or knowledge; "he was completely ignorant of the circumstances"; "an unknowledgeable assistant"; "his rudeness was unwitting"
having or experiencing a rapid onset and short but severe course; "acute appendicitis"; "the acute phase of the illness"; "acute patients"
of critical importance and consequence; "an acute (or critical) lack of research funds"
extremely sharp or intense; "acute pain"; "felt acute annoyance"; "intense itching and burning"
having or demonstrating ability to recognize or draw fine distinctions; "an acute observer of politics and politicians"; "incisive comments"; "icy knifelike reasoning"; "as sharp and incisive as the stroke of a fang"; "penetrating insight"; "frequent penetrative observations"