1791, James Bruce, Travels to Discover the Source of the Nile, in the Years 1768, 1769, 1770, 1771, 1772, and 1773, Dublin: P. Wogan et al., Volume 3, Book 5, Chapter 4, p. 444,
One of the gang that used to be upon the outlook from this station, as soon as any caravan came in sight, cried out, Ribieraini, which in Tigrè signifies they are coming this way;

Behind the curtain, between the laths of the Venetian blind, his mother would be secretly on the outlook watching for his return;

1954, Philip K. Dick, “The Crystal Crypt” in The Collected Stories of Philip K. Dick, Burton, MI: Subterranean Press, Volume 1, p. 289,
Two black dots circled lazily. Martian patrol craft, the military on the outlook for any sign of unusual activity.

On the outlook

Meaning

Prep_phrase

Synonyms