| corrugate | (verb) fold into ridges | - |
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| drug | (verb) administer a drug to | Synonyms: dose |
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| (verb) use recreational drugs | Synonyms: do drugs |
| ruggedise | (verb) produce in a version designed to withstand rough usage | Synonyms: ruggedize |
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| ruggedize | (verb) produce in a version designed to withstand rough usage | Synonyms: ruggedise |
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| shrug | (verb) raise one's shoulders to indicate indifference or resignation | - |
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| struggle | (verb) be engaged in a fight; carry on a fight | Synonyms: contend, fight |
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| (verb) to exert strenuous effort against opposition | - |
| (verb) climb awkwardly, as if by scrambling | Synonyms: clamber, scramble, shin, shinny, skin, sputter |
| (verb) make a strenuous or labored effort | Synonyms: fight |