Anagrams of: GRITTINESSES

• lean and sinewy

• (of meat) full of sinews; especially impossible to chew

• forming viscous or glutinous threads

• consisting of or containing string or strings

• device for resetting instruments or controls

• set anew

• set to zero

• adjust again after an initial failure

• unwilling to spend (money, time, resources, etc.)

• deficient in amount or quality or extent

• (astronomy) the disappearance of a celestial body prior to an eclipse

• the act of entering

• ignite anew, as of something burning

• elude, especially in a baffling way

• stand up or offer resistance to somebody or something

• express opposition through action or words

• withstand the force of something

• resist immunologically the introduction of some foreign tissue or organ

• refuse to comply