a, b, e, g, k, n, c, r, i are letters that make 'backbreaking'
king, BA, re, kB, kin, kb, BR, Ba, King, AC, ng, ki, Ea, KB, back, in, break, breaking, AK, IN, Re, Ki, Ac, Br, In are words within 'backbreaking'
1 possible definitions for 'backbreaking'
Under this definition, backbreaking is an adjective and has the following properties:
hard, gruelling, arduous, heavy, grueling, laborious, operose, punishing, toilsome have the same meaning as 'backbreaking'
hardness, arduousness, strenuousness, laboriousness, operoseness, toilsomeness, ruggedness, burdensomeness, heaviness, onerousness, oppressiveness, labor, labour, toil are derivatives of 'backbreaking'.
effortful is similar to backbreaking.