Noah Webster's Dictionary 1. (v. t.) To take beforehand, or in advance; to anticipate. 2. (v. t.) To take possession of, in advance of some one or something else, to the exclusion or detriment of the latter; to get ahead of; to preoccupy; also, to exclude, hinder, or prevent, by prior occupation, or by measures taken in advance. 3. (v. t.) To deprive; -- with of. 4. (v. t.) To obstruct or stop up, as a way; to stop the passage of on highway; to intercept on the road, as goods on the way to market.

Multi-Version Concordance Forestall (2 Occurrences) 1 Thessalonians 4:15 For this we declare to you on the Lord's own authority--that we who are alive and continue on earth until the Coming of the Lord, shall certainly not forestall those who shall have previously passed away. (WEY) Jonah 4:2 and he prayeth unto Jehovah, and he saith, 'I pray Thee, O Jehovah, is not this my word while I was in mine own land -- therefore I was beforehand to flee to Tarshish -- that I have known that Thou 'art' a God, gracious and merciful, slow to anger, and abundant in kindness, and repenting of evil? (See NAS)