Careful means paying attention so you avoid a mistake, an accident or damage. Meticulous is stronger and narrower: extremely careful, with attention to every small detail. Anyone meticulous is careful, but you can be careful without being meticulous.

careful

adjective

Paying attention to what you are doing so you avoid a mistake, an accident or damage.

“Be careful on the stairs. They are still wet.”

meticulous

adjective

Extremely careful, with great attention to every detail.

“Her notes were meticulous, down to the time of each phone call.”

How to choose

Reach for careful when the point is avoiding harm or a mistake: careful driving, a careful answer, being careful with a full glass. It works for a single moment or a habit.

Reach for meticulous when the care shows in the details and usually takes time: meticulous research, a meticulous plan, meticulous records. It tends to describe work or a way of working, so you would tell a friend to be careful crossing an icy road, not meticulous.

Meticulous is usually a compliment. To criticise someone for too much attention to detail, use fussy or pedantic.

Which word fits?
SituationBetter wordWhy
Crossing an icy roadcarefulThe aim is to avoid an accident.
Restoring an old painting one tiny patch at a timemeticulousThe care is in every small detail.
Choosing your words in a tense meetingcarefulAvoiding mistakes and offence.
Filing every receipt by date, with notesmeticulousThorough, detailed record-keeping.

Similar words worth knowing

Play: careful or meticulous?

Three sentences. Pick the word that fits, then see why.

“The surgeon’s stitches were tiny and perfectly even. Her work was ____.”

  • careful
  • meticulous
Check the answer

Meticulous. The sentence is about precision in every small detail.

“____! That pan is still hot.”

  • careful
  • meticulous
Check the answer

Careful. It is a warning to avoid getting hurt. “Meticulous!” would sound very strange here.

“He kept a ____ log of every bird he saw: the species, the time, the weather and the exact spot.”

  • careful
  • meticulous
Check the answer

Meticulous. Recording every detail of every sighting is detailed, thorough work.

Practise choices like this

Choosing between two words that both nearly fit is the kind of decision arcoco’s games ask you to make. Try the five-round word game on our homepage, or see how arcoco works. We make arcoco; the examples on this page were written for it and are not taken from the app.

For full dictionary entries, see Cambridge Dictionary for careful and meticulous.