| challenge | (verb) issue a challenge to | - |
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| (verb) take exception to | Synonyms: dispute, gainsay |
| (verb) raise a formal objection in a court of law | Synonyms: take exception |
| (verb) ask for identification | - |
| counterchallenge | (verb) challenge in turn | - |
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| halloo | (verb) shout `halloo', as when greeting someone or attracting attention | - |
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| (verb) urge on with shouts | - |
| hallow | (verb) render holy by means of religious rites | Synonyms: bless, consecrate, sanctify |
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| hallucinate | (verb) perceive what is not there; have illusions | - |
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| shallow | (verb) become shallow | Synonyms: shoal |
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| (verb) make shallow | Synonyms: shoal |
| shillyshally | (verb) be uncertain and vague | - |
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| (verb) postpone doing what one should be doing | Synonyms: dilly-dally, dillydally, drag one's feet, drag one's heels, procrastinate, stall |
| unhallow | (verb) remove the consecration from a person or an object | Synonyms: deconsecrate, desecrate |
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