Standard Lemma guide

reactively

adv · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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  • /ɹiːˈæk.tɪv.li/

1

adv

Meaning 1

In a reactive fashion.

Definition source: English Wiktionary via Wiktextract

Examples

  • The infant responds reactively to stimuli.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

adv

Meaning 2

In relation to or by means of a reaction.

Definition source: English Wiktionary via Wiktextract

Topics: chemistry, natural-sciences, physical-sciences

Examples

  • The films were reactively bonded.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

Etymology tree English react Proto-Indo-European *-wós Proto-Indo-European *-iHwósder. Latin -īvus Old French -ifbor. Middle English -yf English -ive English reactive Proto-Indo-European *leyg-der. Proto-Germanic *līkąder. Proto-Germanic *-līkaz Proto-Germanic *-ê Proto-Germanic *-līkê Proto-West Germanic *-līkē Old English -līċe Middle English -ly English -ly English reactively From reactive + -ly.

Across languages

Translations

1 source translations are retained for this English entry.

  • Polish: bodźcowo — in a reactive fashion