Pronunciation: /ˈtaɪr.ləs.nəs/
noun the state or quality of being untiring or indefatigable
A1 Her tirelessness in helping others is truly inspiring.
A2 The team's tirelessness in pursuing their goals paid off in the end.
B1 His tirelessness in studying for the exam resulted in excellent grades.
B2 The athlete's tirelessness in training led to a record-breaking performance.
C1 The scientist's tirelessness in researching the cure for cancer is commendable.
C2 The author's tirelessness in perfecting every word of her novel is evident in its brilliance.
formal Her tirelessness in pursuing her research goals is truly admirable.
informal I don't know how she does it, she just keeps going and going without getting tired.
slang She's like the Energizer bunny, just full of tirelessness.
figurative His tirelessness in fighting for justice was like a beacon of hope for the oppressed.
tirelessnessed
tirelessnesses
more tireless
most tireless
tirelessness
will tirelessness
has tirelessnessed
is tirelessnessing
tirelessness
tirelessness
to tirelessness
tirelessnessing
tirelessnessed