An‐tith″e‐sis (�), n.; pl.Antitheses. (�) [L., fr. Gr. �, fr. � to set against, to oppose; � against + � to set. See Thesis.] 1. (Rhet.) An opposition or contrast of words or sentiments occurring in the same sentence; as, “The prodigal robs his heir; the miser robs himself.” “He had covertly shot at Cromwell; he how openly aimed at the Queen.”
2. The second of two clauses forming an antithesis.
3. Opposition; contrast.