lookahead.
The analysis in advance of subsequent decisions that would be made if a particular branch of an algorithm was followed.
Meaning & usage
The analysis in advance of subsequent decisions that would be made if a particular branch of an algorithm was followed.
Our computer chess program uses lookahead to avoid difficult endgames.
The analysis of the subsequent characters before the regular expression is matched.
Where this word comes from
Deverbal from look ahead.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.