Thesaurus.com
Dictionary.com
Definitions

impedance

[im-peed-ns] / ɪmˈpid ns /
NOUN
clog
Synonyms
STRONG
bar block blockade burden drag encumbrance hindrance impediment obstruction snag
WEAK
cumbrance dead weight
Antonyms
STRONG
advantage aid assistance help opening promotion support
WEAK
clearance
NOUN
friction
Synonyms
STRONGEST
animosity antagonism bad blood bickering conflict discontent discord disharmony dispute dissension hassle hatred hostility quarrel resentment resistance rivalry strife trouble wrangling
STRONG
counteraction faction flak incompatibility interference opposition row ruckus rumpus set-to
WEAK
bad feeling bone to pick factionalism sour note
Antonyms
STRONGEST
accord agreement concord happiness harmony liking love peace pleasure
NOUN
hindrance
Synonyms
STRONGEST
barrier deterrent drawback handicap hitch impediment interference interruption obstacle snag stumbling block
STRONG
albatross baggage bar catch check clog crimp drag encumbrance glitch gridlock hang-up intervention joker limitation lock millstone restraint restriction stoppage trammel
WEAK
Catch-22 ball and chain cumbrance excess baggage foot dragging jam-up monkey wrench
Antonyms
STRONGEST
advantage aid assistance benefit opening
STRONG
freedom liberation release
WEAK
advance encouragement expedition promotion push
NOUN
imperviousness
Synonyms
STRONG
battle blocking check combat contention counteraction cover defiance detention fight friction hindrance holding immunity impediment intransigence obstruction protection rebuff refusal retardation safeguard screen shield stand struggle support unsusceptibility watch
WEAK
halting impeding insusceptibility parrying protecting striking back warding off withstanding
Antonyms
STRONG
aid assistance harm help hurt injury liberation peace promotion truce
NOUN
insusceptibility
Synonyms
WEAK
battle blocking check combat contention counteraction cover defiance detention fight friction halting hindrance holding immunity impediment impeding imperviousness intransigence obstruction parrying protecting protection rebuff refusal retardation safeguard screen shield stand striking back struggle support unsusceptibility warding off watch withstanding
NOUN
renitence
Synonyms
WEAK
battle blocking check combat contention counteraction cover defiance detention fight friction halting hindrance holding impediment impeding intransigence obstruction opposition parrying protecting protection rebuff refusal renitency retardation safeguard screen shield stand striking back struggle support warding off watch withstanding
NOUN
renitency
Synonyms
WEAK
battle blocking check combat contention counteraction cover defiance detention fight friction halting hindrance holding impediment impeding intransigence obstruction opposition parrying protecting protection rebuff refusal renitence retardation safeguard screen shield stand striking back struggle support warding off watch withstanding
NOUN
resistance
Synonyms
STRONGEST
battle defiance fight intransigence protection refusal struggle support
STRONG
blocking check combat contention counteraction cover detention friction hindrance holding impediment obstruction rebuff retardation safeguard screen shield stand watch
WEAK
halting impeding parrying protecting striking back warding off withstanding
Antonyms
STRONG
aid assistance help liberation peace promotion
WEAK
compliance conforming cooperation submission

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

To evaluate changes in body composition, the researchers used bioelectrical impedance analysis.

From Science Daily • Apr. 9, 2026

One of the resonators enables the light coming from the laser to couple with the other resonator; rather like impedance matching in electronics.

From Science Daily • Sep. 20, 2023

Then there are people whose acid reflux is severe, as measured by the pH impedance study, and despite taking PPIs correctly, still experience painful, breakthrough heartburn.

From Washington Post • Feb. 27, 2023

Samsung has also added a bioelectric impedance sensor, which is designed to measure body fat.

From The Verge • Aug. 18, 2021

This apparatus is of high impedance and of a special design adapted to railroad service.

From Cyclopedia of Telephony and Telegraphy, Vol. 2 A General Reference Work on Telephony, etc. etc. by McMeen, Samuel