Strong's #786: aspondos (pronounced as'-pon-dos)

from 1 (as a negative particle) and a derivative of 4689; literally, without libation (which usually accompanied a treaty), i.e. (by implication) truceless:--implacable, truce-breaker.

Thayer's Greek Lexicon:

̓́

aspondos

1) without a treaty or covenant

1a) of things not mutually agreed upon e.g. abstinences from hostilities

2) that cannot be persuaded to enter into a covenant, implacable

Part of Speech: adjective

Relation: from G1 (as a negative particle) and a derivative of G4689

Usage:

This word is used 2 times:

 

Romans 1:31: "Without understanding, covenant breakers, without natural affection, implacable, unmerciful:"
2 Timothy 3:3: "Without natural affection, trucebreakers, false accusers, incontinent, fierce, despisers of those that are good,"