(idiomatic) Very loudly; as loudly as (vocally) possible.

(countable, military) A nuclear weapon that obtains its destructive energy from nuclear fission.

(baseball) An opportunity to hit. / (baseball) official at-bats. Batting opportunities minus walks, hit by pitches, and sacrifices

Anxious; unsure; uneasy. / Uncomfortable.

(informal) Something that is decent, acceptable, or worthwhile.

The capital city, the county seat of Fulton County, Georgia, United States. / A community in Kings County, Nova Scotia, Canada. / A community in the South Caribbean Coast Autonomous Region, Nicaragua.

(software) Initialism of assistive technology. / (US, Navy) Initialism of auxiliary tugboat. / (US, sports) Initialism of anaerobic threshold. / (fan fiction) Initialism of alternate timeline.

(military) Initialism of anti-tank.

(euphemistic, Scotland) To practise coitus interruptus, the withdrawal method of contraception. / Used other than figuratively or idiomatically: see get, off, at, Haymarket.

(physics, meteorology) The pressure caused by the weight of the atmosphere above an area.