tuck in

verb

"tuck-in" is a 6-letter English headword indexed on PlainSpell.

The verdict

“tuck in” is uncommon English (outside the top frequency list), classed as a verb. The kind of spelling people second-guess.

Unranked
below top-frequency English
7
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - To pull the blankets or duvet up over (someone in bed); to put (someone) to bed.

Corpus desk

Index EN-tuck-in · tuck in · English

tuck in · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 7 letters
  • VOW-2 2 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "T" thin
  • PHOTO-UNK Peer pending

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Key facts for tuck in
PropertyValue
Headwordtuck in
LanguageEnglish
Part of speechVerb
Letters7
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “tuck in” in English

tuck infalls outside the top-100,000 ranked English words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

tuck in is uncommon English outside the top frequency list, classed as averb. Rarity is why readers land here mid-draft. 6 senses are on record.

tuck in has no tracked misspelling variants, a sign its spelling follows regular English conventions. Our confusable-pair dataset has no match for it, since nothing in our dataset looks or sounds close enough to cause mix-ups.

Etymologically, the entry records: See tuck (1). The correct English form is tuck in, spelled T-U-C-K- -I-N.

Definition

  1. 1
    To pull the blankets or duvet up over (someone in bed); to put (someone) to bed.
  2. 2
    To pull the blankets or duvet up over oneself; to get in bed.
  3. 3
    To push (the fabric at the bottom of a shirt) under the pants.
  4. 4
    To acquire something tiny
  5. 5
    To score from with a casual motion
  6. 6
    To place in a small space.

Recorded use

Wiktionary examples

These source excerpts show how tuck in appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. She tucked in her young son and turned out the light.
  2. Life on the island feels great! When the sun rises, I wakey-wakey, and when it sets, I tuck in fer snoozer-time! Perfect fer a simple bloke like me, right?

Etymology

See tuck (1).

This word in other languages

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "tuck in"?
"tuck in" is spelled T-U-C-K- -I-N.
What does "tuck in" mean?
As a verb, "tuck in" means: To pull the blankets or duvet up over (someone in bed); to put (someone) to bed.
What is the origin of the word "tuck in"?
See tuck (1). See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

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

Source: FrequencyWords open word-frequency list