The difference between Fall in line and Knuckle under

When used as verbs, fall in line means to submit to the rules of a higher authority, whereas knuckle under means to yield or cooperate when pressured or forced to do so.


check bellow for the other definitions of Fall in line and Knuckle under

  1. Fall in line as a verb (idiomatic):

    To submit to the rules of a higher authority; obey; conform.

  1. Knuckle under as a verb (intransitive, idiomatic):

    To yield or cooperate when pressured or forced to do so.

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