moving from one place to another and back again; "he traveled back and forth between Los Angeles and New York"; "the treetops whipped to and fro in a frightening manner"; "the old man just sat on the porch and rocked back and forth all day"
after the expected or usual time; delayed; "a belated birthday card"; "I'm late for the plane"; "the train is late"; "tardy children are sent to the principal"; "always tardy in making dental appointments"
the number of observations in a given statistical category
the ratio of the number of observations in a statistical category to the total number of observations
the number of occurrences within a given time period; "the frequency of modulation was 40 cycles per second"; "the frequency of his seizures increased as he grew older"
a horizontal (or nearly horizontal) passageway in a mine; "they dug a drift parallel with the vein"
the pervading meaning or tenor; "caught the general drift of the conversation"
a general tendency to change (as of opinion); "not openly liberal but that is the trend of the book"; "a broad movement of the electorate to the right"
something that is heaped up by the wind or by water currents
a force that moves something along
the gradual departure from an intended course due to external influences (as a ship or plane)
a process of linguistic change over a period of time
be piled up in banks or heaps by the force of wind or a current; "snow drifting several feet high"; "sand drifting like snow"
be subject to fluctuation; "The stock market drifted upward"
drive slowly and far afield for grazing; "drift the cattle herds westwards"
cause to be carried by a current; "drift the boats downstream"
move in an unhurried fashion; "The unknown young man drifted among the invited guests"
vary or move from a fixed point or course; "stock prices are drifting higher"
lacking enlightenment or knowledge or culture; "this benighted country"; "benighted ages of barbarism and superstition"; "the dark ages"; "a dark age in the history of education"
overtaken by night or darkness; "benighted (or nighted) travelers hurrying toward home"