SAFELY definition: 1. in a safe way: 2. in a safe way: 3. in a safe way; without experiencing or causing danger or…. Learn more. Definition of safely adverb in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. If something is done safely, it is done in a way that makes it unlikely that anyone will be harmed. The waste is safely locked away until it is no longer radioactive. 'Drive safely,' he said and waved … SAFELY definition: without harm or injury. See examples of safely used in a sentence. Both "drive safe" and "drive safely" are acceptable. Flat adverbs, as adverbs without -ly are called, are common in English; examples include soon in "see you soon" and fast in "time goes so fast." Define safely. safely synonyms, safely pronunciation, safely translation, English dictionary definition of safely. adj. saf·er , saf·est 1. a. Free from danger or injury; undamaged or unhurt: He returned … · safely (comparative more safely or (rare) safelier, superlative most safely or (rare) safeliest) In a safe manner; without risk; using caution above all else. quotations From Longman Dictionary of Contemporary English safe‧ly /ˈseɪfli/ adverb in a way that is safe Drive safely! I think we can safely assume that she will pass the exam. Examples from the Corpus safely … may safely be left to > clear away Modern politicians stay at home. past perfect- you had arrived safely? people who aren't just about safely extinct please ride safely Police in the city … safely definition: in a way that prevents harm or danger. Check meanings, examples, usage tips, pronunciation, domains, and related words. Discover expressions like "drive safely", "I can safely …