Dictionary > Obdurate


1. Hardened in feelings, especially. Against moral or mollifying influences; unyielding; hard-hearted; stubbornly wicked. The very custom of evil makes the heart obdurate against whatsoever instructions to the contrary. (hooker) Art thou obdurate, flinty, hard as steel, Nay, more than flint, for stone at rain relenteth? (Shak)
2. Hard; harsh; rugged; rough; intractable. Obdurate consonants.
Sometimes accented on the second syllable, especially by the older poets. There is no flesh in man’s obdurate heart. (Cowper)
Synonym: hard, firm, unbending, inflexible, unyielding, stubborn, obstinate, impenitent, callous, unfeeling, insensible, unsusceptible.
Obdurate, callous, Hardened. Callous denotes a deadening of the sensibilities; as. A callous conscience. Hardened implies a general and settled disregard for the claims of interest, duty, and sympathy; as, hardened in vice. Obdurate implies an active resistance of the heart and will aganst the pleadings of compassion and humanity. Obdurately, Obdurateness.
Origin: L. Obduratus, p. P. Of obdurare to harden; ob (see Ob-)- durare to harden, durus hard. See Dure.

You will also like...

An artistic depiction of Dunkleosteus fish

The sea was teeming with life. Eventually, through reproduction and continued variation, fish came about. There are over..

Energy pyramid
Freshwater Community Energy Relationships – Producers & Consumers

This tutorial looks at the relationship between organisms. It also explores how energy is passed on in the food chain an..

Regulation of Biological Systems
Regulation of Biological Systems

Regulation of Biological Systems tutorials are focused on the modulation of biological systems from cell to population l..

Protein Synthesis

Part of the genetic information is devoted to the synthesis of proteins. mRNA, a type of RNA, is produced as a transcri..

IQ, Creativity and Learning
IQ, Creativity and Learning

Human intelligence provided the means to utilize abstract ideas and implement reasoning. This tutorial takes a further l..

Peppered moth ("Biston betularia") melanic and light form
Examples of Natural Selection

Darwin's Finches are an example of natural selection in action. They are an excellent example of the way species' gene p..