so as to
"so-as-to" is a 6-letter English headword indexed on PlainSpell.
The verdict
“so as to” is uncommon English (outside the top frequency list), classed as a conjunction. The kind of spelling people second-guess.
- Unranked
- below top-frequency English
- 8
- letters
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - before an infinitive: in order to; to.
Corpus desk
Index EN-so-as-to · so as to · English
so as to · unranked · 0 variants · 0 confusables
- FREQ-UNRANKED Unranked
- LEN-LONG 8 letters
- VOW-3 3 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-THIN "S" 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.
| Property | Value |
|---|---|
| Headword | so as to |
| Language | English |
| Part of speech | Conjunction |
| Letters | 8 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “so as to” in English
Rare enough to double-check
so as to is uncommon English outside the top frequency list, classed as aconjunction. Rarity is why readers land here mid-draft. Gloss: "before an infinitive: in order to; to.".
so as to doesn't appear in our generated misspelling index, and the word's spelling is regular enough that our generator found nothing worth flagging. This entry stands alone in our confusable dataset, suggesting its spelling stands apart enough that readers rarely confuse it with something else.
Our source data has no etymology on file for this entry, so its spelling pattern is best understood through pronunciation rather than a traceable origin. The correct English form is so as to, spelled S-O- -A-S- -T-O.
Definition
- 1before an infinitive: in order to; to.
Recorded use
Wiktionary exampleThese source excerpts show how so as to appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
We'd better leave now, so as not to be late.
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.