daftvsdefWhat's the difference?

Quick tell: daft is a adjective, def is a noun, so they fill different roles in a sentence.

Which to use

“daft” is an adjective and “def” is a noun - they look or sound alike but fill different roles in a sentence.

#16,207
“daft” frequency rank
#8,138
“def” frequency rank
24345
confusion score

Side-by-Side Comparison

Feature daft def
Definition Foolish, silly, stupid. Abbreviation of definition.

Where the eye mixes daft and def

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
daft
3 ch
def

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: daft is /dɑːft/ while def is /dɛf/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 24345, derived from the frequency rank of both members and their visual similarity.

daft is recorded at frequency rank #16,207, classified as anadj, pronounced /dɑːft/. def is at rank #8,138, tagged as anoun, pronounced /dɛf/.

Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.

With a confusion score of 24345, this pair ranks #402,648 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of daft vs def

Shared letters: df. Private to "daft": at. Private to "def": e.

"daft" · 4 letters · shape CVCC  ·  "def" · 3 letters · shape CVC

Known mistypes of this pair

  • daftadft · dafft · daftt · datf · ddaft · dfat

Frequently Asked Questions

Can "daft" and "def" be used interchangeably?
No - they are not even the same part of speech. "daft" is an adjective and "def" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "daft" or "def"?
"def" is the more common of the two: it sits at frequency rank #8,138 in our English list, against #16,207 for "daft". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list