IMPACT

IPA (US):

 Dictionary entry overview: What does impact mean? 

• IMPACT (noun)
  The noun IMPACT has 4 senses:

1. the striking of one body against another

2. a forceful consequence; a strong effect

3. influencing strongly

4. the violent interaction of individuals or groups entering into combat

  Familiarity information: IMPACT used as a noun is uncommon.

• IMPACT (verb)
  The verb IMPACT has 2 senses:

1. press or wedge together; pack together

2. have an effect upon

  Familiarity information: IMPACT used as a verb is rare.

 Dictionary entry details 

• IMPACT (noun)

Sense 1

Meaning:

The striking of one body against another

Classified under:

Nouns denoting natural events

Hypernyms ("impact" is a kind of...):

contact; impinging; striking (the physical coming together of two or more things)

Hyponyms (each of the following is a kind of "impact"):

blow; bump (an impact (as from a collision))

slam (a forceful impact that makes a loud noise)

Sense 2

Meaning:

A forceful consequence; a strong effect

Classified under:

Nouns denoting natural phenomena

Synonyms:

impact; wallop

Context example:

the book packs a wallop

Hypernyms ("impact" is a kind of...):

consequence; effect; event; issue; outcome; result; upshot (a phenomenon that follows and is caused by some previous phenomenon)

Derivation:

impact (have an effect upon)

Sense 3

Meaning:

Influencing strongly

Classified under:

Nouns denoting acts or actions

Synonyms:

encroachment; impact; impingement

Context example:

they resented the impingement of American values on European culture

Hypernyms ("impact" is a kind of...):

influence (causing something without any direct or apparent effort)

Derivation:

impact (have an effect upon)

Sense 4

Meaning:

The violent interaction of individuals or groups entering into combat

Classified under:

Nouns denoting acts or actions

Synonyms:

impact; shock

Context example:

the armies met in the shock of battle

Hypernyms ("impact" is a kind of...):

combat; fight; fighting; scrap (the act of fighting; any contest or struggle)

• IMPACT (verb)

Present simple: I / you / we / they impact ... he / she / it impacts
Past simple: impacted   
Past participle: impacted   
-ing form: impacting   

Sense 1

Meaning:

Press or wedge together; pack together

Classified under:

Verbs of touching, hitting, tying, digging

Hypernyms (to "impact" is one way to...):

force; squeeze; wedge (squeeze like a wedge into a tight space)

Sentence frames:

Somebody ----s something
Somebody ----s something PP

Derivation:

impaction (the condition of being pressed closely together and firmly fixed)

Sense 2

Meaning:

Have an effect upon

Classified under:

Verbs of size, temperature change, intensifying, etc.

Synonyms:

affect; bear on; bear upon; impact; touch; touch on

Context example:

Will the new rules affect me?

Hypernyms (to "impact" is one way to...):

alter; change; modify (cause to change; make different; cause a transformation)

Troponyms (each of the following is one way to "impact"):

strike a blow (affect adversely)

repercuss (cause repercussions; have an unwanted effect)

tell on (produce an effect or strain on somebody)

redound (have an effect for good or ill)

excite; stimulate (act as a stimulant)

process; treat (subject to a process or treatment, with the aim of readying for some purpose, improving, or remedying a condition)

hydrolise; hydrolize (make a compound react with water and undergo hydrolysis)

color; colour; distort; tinge (affect as in thought or feeling)

endanger; expose; peril; queer; scupper (put in a dangerous, disadvantageous, or difficult position)

hit; strike (affect or afflict suddenly, usually adversely)

subject (cause to experience or suffer or make liable or vulnerable to)

bother; discommode; disoblige; incommode; inconvenience; put out; trouble (to cause inconvenience or discomfort to)

act upon; influence; work (have and exert influence or effect)

slam-dunk (make a forceful move against)

Sentence frames:

Somebody ----s something
Somebody ----s somebody
Something ----s somebody
Something ----s something

Derivation:

impact (influencing strongly)

impact (a forceful consequence; a strong effect)

 Context examples 

Test codes of questionnaire questions associated with the revised fibromyalgia impact questionnaire for the Clinical Data Interchange Standards Consortium (CDISC) Standard Data Tabulation Model (SDTM).

(CDISC Questionnaire FIQR Test Code Terminology, NCI Thesaurus)

Avobenzone is a topical, broad range UV protector and blocks UVA I, UVA II, and UVB wavelengths, thereby limiting the impact of UV rays on skin.

(Avobenzone, NCI Thesaurus)

Test names of questionnaire questions associated with the revised fibromyalgia impact questionnaire for the Clinical Data Interchange Standards Consortium (CDISC) Standard Data Tabulation Model (SDTM).

(CDISC Questionnaire FIQR Test Name Terminology, NCI Thesaurus)

Test codes of questionnaire questions associated with the symptom impact questionnaire for the Clinical Data Interchange Standards Consortium (CDISC) Standard Data Tabulation Model (SDTM).

(CDISC Questionnaire SIQR Test Code Terminology, NCI Thesaurus)

Test names of questionnaire questions associated with the symptom impact questionnaire for the Clinical Data Interchange Standards Consortium (CDISC) Standard Data Tabulation Model (SDTM).

(CDISC Questionnaire SIQR Test Name Terminology, NCI Thesaurus)

An agent that enhances the activity or therapeutic effect of another pharmacologic substance without having much, if any, therapeutic impact by itself.

(Adjuvant, NCI Thesaurus)

The new study suggests a way to minimize the nutritional impact of climate change.

(Planet-Warming Gases Make Some Food Less Nutritious, Study Says, Steve Baragona/VOA)

"With this improvement, we will be able to make our models more realistic and better able to predict this aspect of climate change's impact on our oceans."

(Study reveals new patterns of key ocean nutrient, National Science Foundation)

The potential impact is considerable and is comparable to prescribing medicines but without the associated problems of side effects or non-adherence.

(Patients with an ‘empathic’ GP at reduced risk of early death, University of Cambridge)

Scientists believe impacting bodies may have delivered ice to Mercury and the moon.

(Where is the Ice on Ceres?, NASA)