keep a watch out for

: to retain in one's possession or power

: to refrain from granting, giving, or allowing

: to have in control

: the means or provisions by which one is kept

: one that keeps or protects: such as

: fortress, castle

: to keep vigil as a devotional exercise

: to be awake during the night

: to be attentive or vigilant

: the act of keeping awake to guard, protect, or attend

: the state of being wakeful

: a wake over a dead body

: in a direction away from the inside or center

: outside

: from among others

: eject, oust

: to identify publicly as being such secretly

: to become publicly known

used as a function word to indicate an outward movement

: situated outside : external

: out-of-bounds

: situated at a distance : outlying

: outside

: one who is out of office or power or on the outside

: an act or instance of putting a player out or of being put out in baseball

: in a manner that exceeds or surpasses and sometimes overpowers or defeats