1. Situated at the farthest point or extremity; farthest out; most distant; extreme; as, the utmost limits of the land; the utmost extent of human knowledge. We coasted within two leagues of Antibes, which is the utmost town in France. (Evelyn) Betwixt two thieves I spend my utmost breath. (herbert)
2. Being in the greatest or highest degree, quantity, number, or the like; greatest; as, the utmost assiduity; the utmost harmony; the utmost misery or happiness. He shall answer . . . To his utmost peril. (Shak) Six or seven thousand is their utmost power. (Shak)
Origin: OE. Utmeste, utemest, AS. Temest, a superlative fr. Te out. See Out, and cf. Aftermost, Outmost, Uttermost.