he/she has weakened
-ha debilitado
Present perfect he/she conjugation of weaken.
See all conjugations of weaken

weaken

Popularity
500+ learners.
TRANSITIVE VERB
(to make weak)-debilitar
Synonyms for weaken
emasculate
debilitar
hurt
hacer daño
impair
perjudicar
keep under
mantener oprimido
quieten
calmar
wear
desgastar
Antonyms for weaken
build
construir
reinforce
reforzar
help
ayudar
prepare
preparar
quicken
acelerar
quicken
acelerarse
restore
restaurar
strengthen
fortalecer
INTRANSITIVE VERB
(to become weak)-debilitarse
Synonyms for weaken
destabilize
desestabilizar
emasculate
debilitar
undermine
socavar
wear
desgastar
Antonyms for weaken
fortify
fortalecer
boost
estimular
improve
mejorar
quicken
acelerar
quicken
acelerarse
strengthen
fortalecer
uphold
conservar
TRANSITIVE VERB
(to dilute)-diluir
Synonyms for weaken
dilute
diluir
emasculate
debilitar
Antonyms for weaken
stress
recalcar
TRANSITIVE VERB
(to undermine)-debilitar
Synonyms for weaken
damage
dañar
emasculate
debilitar
keep under
mantener oprimido
quell
sofocar
wear
desgastar
Antonyms for weaken
fortify
fortalecer
help
ayudar
restore
restablecer
uphold
conservar
emphasize
enfatizar
prepare
preparar
stress
recalcar
Other Dictionaries
Explore the meaning of weaken in our family of products.
Dictionary.com
Dictionary.com
What is the definition of “weaken”?
Thesaurus.com
Thesaurus.com
What are synonyms of “weaken”?
Vocabulary.com
Vocabulary.com
What does “weaken” mean?
FrenchDictionary.com
FrenchDictionary.com
How do you say “weaken” in French?
Random Word
Roll the dice and learn a new word now!
Get a Word
Want to Learn Spanish?
Spanish learning for everyone. For free.
Translation
The world’s largest Spanish dictionary
Conjugation
Conjugations for every Spanish verb
Vocabulary
Learn vocabulary faster
Grammar
Learn every rule and exception
Pronunciation
Native-speaker video pronunciations
Word of the Day
el velero
sailboat
Word of the Day
sailboat
el velero
SpanishDictionary.com is the world's most popular Spanish-English dictionary, translation, and learning website.
FEATURES
Translation
Conjugation
Vocabulary
Learn Spanish
Grammar
Word of the Day
ABOUT
About Us
Privacy
Terms
Site Map
Help
Contact Us
SOCIAL NETWORKS
Facebook
Instagram
APPS
Apple
iOS
Android
Android
IXL learning logo
Dictionary Media Group logo

IXL Learning's Dictionary Media Group reaches over 500,000,000 learners each year.

French-English dictionary, translator, and learning

English dictionary and learning for Spanish speakers

English dictionary and learning for French speakers

Comprehensive resource for word definitions and usage

Essential reference for synonyms and antonyms

Comprehensive K-12 personalized learning

Adaptive learning for English vocabulary

Immersive learning for 25 languages

Marketplace for millions of educator-created resources

35,000+ worksheets, games, and lesson plans

Fun educational games for kids

Fast, easy, reliable language certification

Trusted tutors for 300+ subjects

Bite-sized daily word games

Playful tools to learn multiplication

Copyright © 2026 Dictionary Media Group, Inc., a division of IXL Learning • All Rights Reserved.