MRI Contrast Agent

Under the best conditions; as the best possibility. /A coal miners job is dirty and dangerous at best./ /We cant get to New York before ten oclock at best./ Compare: AT MOST. Contrast: AT WORST. 2. In the most favorable way of looking at something; even saying the best about the thing. * The /treasurer had at best been careless with the clubs money, but most people thought he had been dishonest./ [at both ends] See: BURN THE CANDLE AT BOTH ENDS. [at call]{adj.} or {adv. phr.} 1. Ready or nearby for use, help, or service; on request. /Thousands of auto insurance agents all over the country are at the insured persons call, wherever he may travel./ 2. At the word of command; at an order or signal. /The dog was trained to come at call./ [at close range]{adv. phr.} Close by; in proximity. /The police officer fired at the fleeing murder suspect at close range./ [at cross purposes]{adv. phr.} With opposing meanings or aims; with opposing effect or result; with aims which hinder or get in each others way. /Toms parents acted at cross purposes in advising him; his father wanted him to become a doctor; but his mother wanted him to become a minister./ [at deaths door]{adj.} or {adv. phr.} Very near death; dying. /He seemed to be at deaths door from his illness./ [at each others throats]{prep. phr.} Always arguing and quarreling. /Joan and Harry have been at each others throats so long that they have forgotten how much they used to love one another./ [at ease] or [at ones ease] {adj.} or {adv. phr.} 1 ...»