The difference between Crude and Rudimentary

When used as nouns, crude means any substance in its natural state, whereas rudimentary means one of the rudimentary mammae of boars.

When used as adjectives, crude means in a natural, untreated state, whereas rudimentary means of or relating to one or more rudiments.

check bellow for the other definitions of Crude and Rudimentary

  1. Crude as an adjective:

    In a natural, untreated state.

    Examples:

    "crude oil"

  2. Crude as an adjective:

    Characterized by simplicity, especially something not carefully or expertly made.

    Examples:

    "a crude shelter"

  3. Crude as an adjective:

    Lacking concealing elements.

    Examples:

    "a crude truth"

  4. Crude as an adjective:

    Lacking tact or taste.

    Examples:

    "a crude remark"

  5. Crude as an adjective (archaic):

    Immature or unripe.

  6. Crude as an adjective (grammar):

    Pertaining to the uninflected stem of a word.

  1. Crude as a noun:

    Any substance in its natural state.

  2. Crude as a noun:

    Crude oil.

  1. Rudimentary as an adjective:

    Of or relating to one or more rudiments.

    Examples:

    "I have only a rudimentary grasp of chemistry''."

  2. Rudimentary as an adjective:

    Basic; minimal; with less than, or only the minimum, necessary.

    Examples:

    "His grasp of rudimentary English allowed him at least to do the shopping''."

    "His rudimentary driving skills meant that he was a danger on the road''."

  1. Rudimentary as a noun (zoology, usually plural):

    One of the rudimentary mammae of boars.

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