find fault with someone Definition

fault
noun

1. A weakness or failing in character.

Thesaurus: blemish, flaw, defect, mar, shortcoming, weakness, frailty, failing, infirmity; Antonym: strength.
2. A flaw or defect in an object or structure.

Thesaurus: flaw, error, mistake, blunder, slip, defect, oversight.
3. A misdeed or slight offence.

Thesaurus: misdemeanour, peccadillo, offence, wrongdoing, transgression, crime, sin, impropriety, moral shortcoming, evildoing, delinquency, trespass, fall from virtue, fall from grace.
4. Responsibility for something wrong.

Example: all my fault
Thesaurus: blame, responsibility, liability, accountability, culpability.
5. geol.
A break or crack in the Earth's crust, resulting in the slippage of a rock mass.
6. tennis, etc.
An incorrectly placed or delivered serve.
7. showjumping.
A penalty for refusing or failing to clear a fence.

verb faulted, faulting

intr
1. To commit a fault.

Thesaurus: err, fail, blunder, bungle.
2. To blame someone.

Thesaurus: blame, charge, accuse, criticize, censure, impugn; Antonym: praise.

Idiom: at fault

Culpable; to blame.
Thesaurus: guilty, responsible, accountable, culpable, blameworthy, answerable.

Said of dogs: unable to find the scent.

Idiom: find fault with something or someone

To criticize it or them, especially excessively or unfairly; to complain about it or them.
Thesaurus: criticize, complain about, complain at, reprove, disparage, carp at, censure, nag, quibble about, cavil at, cavil about; Antonym: praise.

Idiom: to a fault

To too great an extent.
Thesaurus: too much, excessively, to excess, very.

Etymology: 14c in noun 2: from French faute.