From online dictionary
hint
hɪnt/
noun
noun: hint; plural noun: hints
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1.a slight or indirect indication or suggestion.“he has given no hint of his views”
synonyms: clue, inkling, suggestion, indication, indicator, sign, signal, pointer,intimation, insinuation, innuendo, mention, allusion, whisper, a word to the wise “he had given no hint that he was going to leave” -
2.a small piece of practical information or advice.“handy hints on saving energy in your home”
synonyms: tip, suggestion, piece of advice, word of advice, pointer, clue, cue,guideline, recommendation; More
verb
verb: hint; 3rd person present: hints; past tense: hinted; past participle: hinted; gerund or present participle: hinting
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1.suggest or indicate something indirectly or covertly.“the Minister hinted at a possible change of heart”
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be a slight or possible indication of.“the restrained fronts of the terraced houses only hinted at the wealth within”
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Origin
early 17th century (in the sense ‘occasion, opportunity’): apparently from obsolete hent‘grasp, get hold of’, from Old English hentan, of Germanic origin; related to hunt. The basic notion is ‘something that may be taken advantage of’.
How my heart sings 