pull back or move away or backward; "The enemy withdrew"; "The limo pulled away from the curb"
remove (a commodity) from (a supply source); "She drew $2,000 from the account"; "The doctors drew medical supplies from the hospital's emergency bank"
struggle in opposition; "She tugged and wrestled with her conflicts"
pull hard; "The prisoner tugged at the chains"; "This movie tugs at the heart strings"
pull or strain hard at; "Each oar was tugged by several men"
move by pulling hard; "The horse finally tugged the cart out of the mud"
tow (a vessel) with a tug; "The tugboat tugged the freighter into the harbor"
strive and make an effort to reach a goal; "She tugged for years to make a decent living"; "We have to push a little to make the deadline!"; "She is driving away at her doctoral thesis"
remove, usually with some force or effort; also used in an abstract sense; "pull weeds"; "extract a bad tooth"; "take out a splinter"; "extract information from the telegram"
separate (a metal) from an ore
get despite difficulties or obstacles; "I extracted a promise from the Dean for two new positions"
the act of imitating the behavior of some situation or some process by means of something suitably analogous (especially for the purpose of study or personnel training)
(computer science) the technique of representing the real world by a computer program; "a simulation should imitate the internal processes and not merely the results of the thing being simulated"
(computer science) a copy of a file or directory on a separate storage device; "he made a backup in case the original was accidentally damaged or erased"
an accumulation caused by clogging or a stoppage; "a traffic backup on the main street"; "he discovered a backup in the toilet"