911
google search
Google search results:
1: https://www.indiabix.com/verbal-ability/antonyms/005006
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2: https://www.merriam-webster.com/thesaurus/dangerous
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3: https://www.merriam-webster.com/thesaurus/friendly
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4: https://www.enchantedlearning.com/themes/opposites.shtml
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5: http://sherwoodschool.ru/en/lessons1/english/english_antonyms_list/
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6: https://quod.lib.umich.edu/m/moa/AAM9562.0001.001%3Frgn%3Dmain%3Bview%3Dfulltext
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7: https://www.thesaurus.com/browse/grotesque
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8: https://www.thesaurus.com/browse/abnormal
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9: https://books.google.com/books?id=OpRm_VQUaw4C&pg=RA2-PA3&lpg=RA2-PA3&dq=Choose+the+correct+antonym+for+the+following+word.%0AO+Unpleasant%0AO+Dangerous%0AFamiliar%0AO+Friendly%0AO+Strange&source=bl&ots=vfZPFi9ayK&sig=ACfU3U2XZO7fd9IM7uC3R0VhxmmHHLOqZQ&hl=en&sa=X&ved=2ahUKEwiy0fH5gKvzAhXfHzQIHR78B24Q6AF6BAggEAM
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10: https://books.google.com/books?id=3gUxAQAAMAAJ&pg=PA454&lpg=PA454&dq=Choose+the+correct+antonym+for+the+following+word.%0AO+Unpleasant%0AO+Dangerous%0AFamiliar%0AO+Friendly%0AO+Strange&source=bl&ots=pXnE9Blu4R&sig=ACfU3U3ZPMDQ_8W3Q9nCMGYKT7mCE8lBhQ&hl=en&sa=X&ved=2ahUKEwiy0fH5gKvzAhXfHzQIHR78B24Q6AF6BAghEAM
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11: https://books.google.com/books?id=-25ZZWd9ZH0C&pg=RA1-PA300&lpg=RA1-PA300&dq=Choose+the+correct+antonym+for+the+following+word.%0AO+Unpleasant%0AO+Dangerous%0AFamiliar%0AO+Friendly%0AO+Strange&source=bl&ots=_wKx-gpwac&sig=ACfU3U3JWXR9NjX-Xzf-42DZS5G79oZ6dQ&hl=en&sa=X&ved=2ahUKEwiy0fH5gKvzAhXfHzQIHR78B24Q6AF6BAgfEAM
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