Dictionary.net

exert oneself, 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"

carry with difficulty; "You'll have to lug this suitcase"

tow (a vessel) with a tug; "The tugboat tugged the freighter into the harbor"

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"

carry with difficulty; "You'll have to lug this suitcase"

tow (a vessel) with a tug; "The tugboat tugged the freighter into the harbor"

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"

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"

To pull or draw with great effort; to draw along with continued exertion; to haul along; to tow; as, to tug a loaded cart; to tug a ship into port.

To pull; to pluck.

To pull with great effort; to strain in labor; as, to tug at the oar; to tug against the stream.

A sort of vehicle, used for conveying timber and heavy articles.

A trace, or drawing strap, of a harness.

An iron hook of a hoisting tub, to which a tackle is affixed.

A small, powerful steamboat used to tow vessels; - called also steam tug, tugboat, and towboat.

To pull or draw with great effort; to draw along with continued exertion; to haul along; to tow; as, to tug a loaded cart; to tug a ship into port.

To pull; to pluck.

To pull with great effort; to strain in labor; as, to tug at the oar; to tug against the stream.

A sort of vehicle, used for conveying timber and heavy articles.

A trace, or drawing strap, of a harness.

An iron hook of a hoisting tub, to which a tackle is affixed.

A small, powerful steamboat used to tow vessels; - called also steam tug, tugboat, and towboat.

A pull with great effort; a steam towing vessel; a rope or chain used for pulling; a trace of a harness.

To pull or draw with great effort; tow.

To use great effort in pulling, etc.-tug of war, a contest in which two equal groups pull on opposite ends of a rope; hence, any violent and evenly matched struggle.

Tugged.

Tugging.

To pull with effort: to drag along.

To pull with great effort:-pr.p. tugging.

A strong pull: a small, strong, low built steam-vessel for towing ships.

A strong pull; steam towboat.

To pull with effort.

To pull with great effort; draw forcibly.

The act of tugging.

A struggle; wrestle.

A steam-vessel for towing.

n. [German] A pull with the utmost effort; –a steam-vessel used to tow ships.