reactively

/ɹiːˈæk.tɪv.li/

//ɹiːˈæk.tɪv.li// adv

"reactively" is a 10-letter English headword indexed on PlainSpell.

The verdict

“reactively” is uncommon English (outside the top frequency list), classed as an adverb. The kind of spelling people second-guess.

Unranked
below top-frequency English
10
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - In a reactive fashion.

Corpus desk

Index EN-reactively · reactively · English

reactively · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 10 letters
  • VOW-5 5 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "R" 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 reactively
PropertyValue
Headwordreactively
LanguageEnglish
Part of speechAdverb
IPA/ɹiːˈæk.tɪv.li/
Letters10
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “reactively” in English

reactivelysits beyond the 100,000 most-frequent English words, in the long tail of technical, archaic, or otherwise rare vocabulary where spelling doubt tends to strike hardest.

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

Rare enough to double-check

reactively is uncommon English outside the top frequency list, classed as anadverb, transcribed /ɹiːˈæk.tɪv.li/. Rarity is why readers land here mid-draft. 2 senses are on record.

We couldn't generate a plausible misspelling set for reactively, which points to an orthography that plays by predictable English rules. We don't track a confusable pairing for this entry, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

Etymologically, the entry records: From reactive + -ly. The correct English form is reactively, spelled R-E-A-C-T-I-V-E-L-Y.

Definition

  1. 1
    In a reactive fashion.
  2. 2
    In relation to or by means of a reaction.

Recorded use

Wiktionary examples

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

  1. The infant responds reactively to stimuli.
  2. The films were reactively bonded.

Etymology

From reactive + -ly.

Antonyms

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 "reactively"?
"reactively" is spelled R-E-A-C-T-I-V-E-L-Y. The IPA pronunciation is /ɹiːˈæk.tɪv.li/.
What does "reactively" mean?
As an adverb, "reactively" means: In a reactive fashion.
How do you pronounce "reactively"?
The IPA (International Phonetic Alphabet) transcription for "reactively" is /ɹiːˈæk.tɪv.li/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "reactively"?
From reactive + -ly. 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