Hello
Hello noun - An expression of goodwill upon meeting.
Signal
Signal verb - To direct or notify by a movement or gesture.
Both words in one sentence
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At the end of the film the word 'hello' is incorporated into their signal to the outside world, spelled out on the grass on an idyllic Ghibli Hill, and (implicitly) is what caught the notice of their rescuers.
Source: Just For Fun / Hello! - Similarly cats "bow" to say hello; dogs do it to signal playtime.
Source: Non-Verbal Miscommunication -
Catch Phrase: Corin has a number of these to signal a transition in the announcements: He tends to start every episode with a "Hello and welcome to..." greeting followed by stating his position and the company name.
Source: Podcast / Kakos Industries
Cite this Source
Signal and Hello. (2016). Retrieved 2026, August 07, from https://thesaurus.plus/related/hello/signal
Hello & Signal. N.p., 2016. Web. 07 Aug. 2026. <https://thesaurus.plus/related/hello/signal>.
Signal or Hello. 2016. Accessed August 07, 2026. https://thesaurus.plus/related/hello/signal.
Google Ngram Viewer shows how "hello" and "signal" have occurred on timeline