| burthen | (verb) weight down with a load | Synonyms: burden, weight, weight down |
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| freshen | (verb) make fresh again | Synonyms: refresh, refreshen |
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| (verb) become or make oneself fresh again | Synonyms: freshen up, refresh, refreshen |
| (verb) make (to feel) fresh | Synonyms: refresh |
| harshen | (verb) make harsh or harsher | - |
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| hyphen | (verb) divide or connect with a hyphen | Synonyms: hyphenate |
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| lengthen | (verb) become long or longer | - |
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| (verb) make longer | - |
| refreshen | (verb) become or make oneself fresh again | Synonyms: freshen, freshen up, refresh |
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| (verb) make fresh again | Synonyms: freshen, refresh |
| restrengthen | (verb) make strong again | - |
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| roughen | (verb) make rough or rougher | - |
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| smoothen | (verb) become smooth | - |
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| (verb) make smooth or smoother, as if by rubbing | Synonyms: smooth |
| (verb) make (a surface) shine | Synonyms: polish, shine, smooth |
| strengthen | (verb) give a healthy elasticity to | Synonyms: tone, tone up |
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| (verb) gain strength | - |
| (verb) make strong or stronger | Synonyms: beef up, fortify |
| toughen | (verb) make tough or tougher | - |
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