Damn
Watson's Biblical & Theological Dictionary [1]
and Damnation, are words synonymous with condemn and condemnation. Generally speaking, the words are taken to denote the final and eternal punishment of the ungodly. These terms, however, sometimes occur in the New Testament in what may be termed a less strict, or secondary sense. Thus, when the Apostle says to the Romans, "He that doubteth," namely, the lawfulness of what he is doing, "is damned if he eat," Romans 14:23; the meaning is, he stands condemned in his own mind. Again: when St. Paul tells the Corinthians, that "he that eateth and drinketh" of the Lord's Supper "unworthily, eateth and drinketh damnation to himself," 1 Corinthians 11:29; the original word, κριμα , there is thought by many to import no more than temporal judgments, and that the Apostle explains himself in the same sense when he says, "For this cause many among you are weak and sickly, and many sleep," or die. This is at least one mode of interpreting the "damnation" of which St. Paul here speaks; but probably the true sense is the bringing guilt upon the conscience, and thereby a liability, without remission, to future judgment.
Webster's Dictionary [2]
(1): ( v. t.) To condemn as bad or displeasing, by open expression, as by denuciation, hissing, hooting, etc.
(2): ( v. t.) To condemn; to declare guilty; to doom; to adjudge to punishment; to sentence; to censure.
(3): ( v. i.) To invoke damnation; to curse.
(4): ( v. t.) To doom to punishment in the future world; to consign to perdition; to curse.