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"
infection transmitted by inhalation or ingestion of tubercle bacilli and manifested in fever and small lesions (usually in the lungs but in various other parts of the body in acute stages)
an acute viral disease of the nervous system of warm-blooded animals (usually transmitted by the bite of a rabid animal); rabies is fatal if the virus reaches the brain
a board game in which words are formed from letters in patterns similar to a crossword puzzle; each letter has a value and those values are used to score the game
add by mixing or blending on or attaching; "work in the butter and the dough will get the right consistency"; "In his speech, the presidential candidate worked in a lot of learned words"
march aggressively into another's territory by military force for the purposes of conquest and occupation; "Hitler invaded Poland on September 1, 1939"
penetrate or assault, in a harmful or injurious way; "The cancer had invaded her lungs"
occupy in large numbers or live on a host; "the Kudzu plant infests much of the South and is spreading to the North"
respiratory disease characterized by inflammation of the lung parenchyma (excluding the bronchi) with congestion caused by viruses or bacteria or irritants