Lower than nearby areas.

relatively unimportant / not intense / (computing) of, or relating to a program, or to code in which each statement corresponds to a single machine instruction / detailed

Having a coarse, unrefined, vulgar demeanor. / Dishonorable.

(US, idiomatic, slang, euphemistic) In secret. / (US, idiomatic, slang, euphemistic) Secretly sleeping with someone other than one's partner.

A state of secrecy. / (sexuality) The state of being a man who secretly sleeps with people other than his partner.

(of a person) Undercover or lying about one's identity. / (African-American Vernacular, of a man) Purporting to be heterosexual while engaged in sex with men.

plural of low blow

Retaining proper functionality over long periods of time with little or no maintenance. / (figuratively) Of a person: self-sufficient and not requiring much attention.

The location of low tide in a coastal area. / The lowest stage of a river. / The temporary situation of having little money.

The countries on low-lying land around the delta of the Rhine, Scheldt, and Meuse (Maas) rivers.