| along | (adverb) in accompaniment or as a companion | - |
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| (adverb) with a forward motion | Synonyms: on |
| (adverb) in addition (usually followed by `with') | - |
| (adverb) to a more advanced state | - |
| (adverb) in line with a length or direction (often followed by `by' or `beside') | - |
| alongside | (adverb) side by side | Synonyms: aboard |
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| daylong | (adverb) during the entire day | Synonyms: all day long |
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| headlong | (adverb) with the head before the body | Synonyms: headfirst |
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| (adverb) in a hasty and foolhardy manner | Synonyms: rashly |
| (adverb) at breakneck speed | Synonyms: precipitately |
| long | (adverb) for an extended time or at a distant time | - |
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| (adverb) for an extended distance | - |
| longer | (adverb) for more time | - |
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| longest | (adverb) for the most time | - |
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| longingly | (adverb) in a yearning manner | Synonyms: yearningly |
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| longitudinally | (adverb) with respect to longitude | - |
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| (adverb) in the direction of the length | Synonyms: lengthways, lengthwise, longways, longwise |
| (adverb) across time | - |
| longways | (adverb) in the direction of the length | Synonyms: lengthways, lengthwise, longitudinally, longwise |
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| longwise | (adverb) in the direction of the length | Synonyms: lengthways, lengthwise, longitudinally, longways |
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| sidelong | (adverb) to, toward or at one side | Synonyms: obliquely, sideways |
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| (adverb) with the side toward someone or something | - |
| (adverb) on the side | - |