{
    "term": "fluctuate",
    "partOfSpeech": "verb",
    "academic": true,
    "verbForms": {
        "presentSimple": {
            "iYouWeThey": "fluctuate",
            "heSheIt": "fluctuates"
        },
        "pastSimple": "fluctuated",
        "pastParticiple": "fluctuated",
        "ingForm": "fluctuating"
    },
    "definitions": [
        {
            "senseNumber": null,
            "definition": "to change frequently in size, amount, quality, etc., especially from one extreme to another",
            "sensetop": "fluctuate between A and B+ adv./prep.",
            "examples": [
                {
                    "text": "fluctuating prices"
                },
                {
                    "text": "The documentary follows the fluctuating fortunes of one marketing company."
                },
                {
                    "text": "During the crisis, oil prices fluctuated between $20 and $40 a barrel.",
                    "contextForm": "fluctuate between A and B"
                },
                {
                    "text": "Temperatures can fluctuate by as much as 10 degrees.",
                    "contextForm": "+ adv./prep."
                },
                {
                    "text": "My weight fluctuated wildly depending on how much I ate."
                },
                {
                    "text": "My mood seems to fluctuate from day to day."
                },
                {
                    "text": "The rate of inflation has been fluctuating around 4% for some time."
                },
                {
                    "text": "The number of boys at the school fluctuates around 100."
                },
                {
                    "text": "The number of unemployed fluctuates between two and three million."
                },
                {
                    "text": "Traffic congestion fluctuates according to the time of day."
                }
            ],
            "synonyms": "vary",
            "topics": ["Money"],
            "collocations": {
                "adverb": ["considerably", "greatly", "dramatically"],
                "preposition": ["according to", "around", "between"]
            }
        }
    ],
    "pronunciations": {
        "uk": [
            {
                "pronunciation": "/ˈflʌktʃueɪt/",
                "audio": "fl/fluctuate/fluctuate__gb_3.mp3"
            },
            {
                "pronunciation": "/ˈflʌktʃueɪts/",
                "audio": "fl/fluctuate/fluctuates__gb_1.mp3"
            },
            {
                "pronunciation": "/ˈflʌktʃueɪtɪd/",
                "audio": "fl/fluctuate/fluctuated__gb_1.mp3"
            },
            {
                "pronunciation": "/ˈflʌktʃueɪtɪŋ/",
                "audio": "fl/fluctuate/fluctuating__gb_1.mp3"
            }
        ],
        "us": [
            {
                "pronunciation": "/ˈflʌktʃueɪt/",
                "audio": "fl/fluctuate/fluctuate__us_1.mp3"
            },
            {
                "pronunciation": "/ˈflʌktʃueɪts/",
                "audio": "fl/fluctuate/fluctuates__us_1.mp3"
            },
            {
                "pronunciation": "/ˈflʌktʃueɪtɪd/",
                "audio": "fl/fluctuate/fluctuated__us_1.mp3"
            },
            {
                "pronunciation": "/ˈflʌktʃueɪtɪŋ/",
                "audio": "fl/fluctuate/fluctuating__us_1.mp3"
            }
        ]
    },
    "wordOrigin": "mid 17th cent. (earlier (late Middle English) as fluctuation): from Latin fluctuat- ‘undulated’, from the verb fluctuare, from fluctus ‘flow, current, wave’, from fluere ‘to flow’."
}