a. [f. THROB sb. + -LESS.) Without a throb or throbs; that does not throb; without or destitute of feeling or emotion.
1748. Richardson, Clarissa (1811), VI. xiii. 67. Every heart quaking; mine, in a particular manner, sunk throbless.
1821. Byron, Sardanap., V. i. 162. Let me … fold that throbless heart To this which beats so bitterly.
1839. J. Sterling, Poems, 221. An hour in throbless quiet live.
