{
    "term": "efficient",
    "partOfSpeech": "adjective",
    "ox3000": true,
    "cefr": "b2",
    "definitions": [
        {
            "senseNumber": null,
            "definition": "doing something in a good, careful and complete way with no waste of time, money or energy",
            "sensetop": "efficient at somethingefficient at somethingefficient in somethingefficient in doing something",
            "examples": [
                {
                    "text": "a **highly efficient** worker"
                },
                {
                    "text": "efficient heating equipment"
                },
                {
                    "text": "more **efficient use** of energy"
                },
                {
                    "text": "We offer a fast, friendly and efficient service."
                },
                {
                    "text": "This is simply the most **efficient way** to do it."
                },
                {
                    "text": "We must meet members' needs in the most **efficient and effective** ways possible."
                },
                {
                    "text": "As we get older, our bodies become less efficient at burning up calories.",
                    "contextForm": "efficient at something"
                },
                {
                    "text": "These magnificent animals were remarkably efficient at survival.",
                    "contextForm": "efficient at something"
                },
                {
                    "text": "Modern water boilers are highly efficient in fuel use.",
                    "contextForm": "efficient in something"
                },
                {
                    "text": "He was **ruthlessly efficient** in acquiring estates.",
                    "contextForm": "efficient in doing something"
                },
                {
                    "text": "She was helpful, quietly efficient and tactful."
                },
                {
                    "text": "Which software is the most efficient at processing the data?"
                },
                {
                    "text": "The heating system is very efficient in its use of fuel."
                },
                {
                    "text": "The procedure is not fully efficient: improvements could be made."
                },
                {
                    "text": "Their equipment was not as efficient at finding gold as today's machinery."
                },
                {
                    "text": "Efficient teachers minimize the amount of paperwork they have to do."
                },
                {
                    "text": "Farmers need to market their milk in an efficient, cost-effective manner."
                },
                {
                    "text": "It's an incredibly efficient system."
                },
                {
                    "text": "More efficient use of energy resources is vital."
                },
                {
                    "text": "The more efficient firms have lower costs."
                },
                {
                    "text": "Farms with large land size are more efficient than farms with small land size."
                },
                {
                    "text": "The organization seems pretty efficient to me."
                },
                {
                    "text": "Tax breaks make it efficient for business owners to own their premises."
                },
                {
                    "text": "How can we make agriculture more economically efficient?"
                }
            ],
            "topics": ["Personal qualities"],
            "collocations": {
                "verbs": ["appear", "be", "look"],
                "adverb": ["extremely", "fairly", "very"],
                "preposition": ["at", "in"]
            }
        }
    ],
    "pronunciations": {
        "uk": [
            {
                "pronunciation": "/ɪˈfɪʃnt/",
                "audio": "ef/efficient/efficient__gb_2.mp3"
            }
        ],
        "us": [
            {
                "pronunciation": "/ɪˈfɪʃnt/",
                "audio": "ef/efficient/efficient__us_1.mp3"
            }
        ]
    },
    "wordOrigin": "late Middle English (in the sense ‘making, causing’): from Latin efficient- ‘accomplishing’, from the verb efficere ‘accomplish’, from ex- ‘out, thoroughly’ + facere ‘do, make’. The current sense dates from the late 18th cent."
}