Possible Results:
hubiera alterado
-I had altered
Past perfect subjunctive yo conjugation of alterar.
hubiera alterado
-he/she/you had altered
Past perfect subjunctive él/ella/usted conjugation of alterar.
See all conjugations of alterar

alterar

TRANSITIVE VERB
(to transform)-to alter
Synonyms for alterar
distorsionar
to distort
modificar
to modify
tergiversar
to distort
variar
to alter
variar
to vary
adaptar
to adapt
cambiar
to change
editar
to edit
enmendar
to correct
modificarse
to change
reemplazar
to replace
reformar
to reform
retocar
to retouch
revolucionar
to revolutionize
transformarse
to transform
Antonyms for alterar
conservar
to maintain
TRANSITIVE VERB
(to make anxious)-to agitate
Synonyms for alterar
afligir
to upset
alborotar
to disturb
desconcertar
to disconcert
perturbar
to disturb
poner nervioso
to make nervous
alarmar
to alarm
descomponer
to irritate
desesperar
to drive crazy
disgustar
to upset
encolerizar
to enrage
enervar
to exasperate
enfadar
to make angry
enfurecer
to infuriate
enloquecer
to drive crazy
estresar
to stress out
excitar
to get excited
incordiar
to pester
inquietar
to worry
irritar
to irritate
jorobar
to bug
molestar
to be a nuisance
molestar
to bother
molestar
to disturb
molestarse
to get upset
preocupar
to worry
revolucionar
to stir up
sacar de quicio
to drive crazy
sobresaltar
to startle
soliviantar
to worry
trastocar
to disrupt
trastornar
to disrupt
trastornar
to disturb
trastornar
to drive crazy
turbar
to disturb
turbar
to embarrass
Antonyms for alterar
apaciguar
to calm down
calmar
to calm
confortar
to comfort
sedar
to soothe
serenar
to calm
aplacar
to appease
reconfortar
to comfort
tranquilizar
to calm down
tranquilizar
to reassure
TRANSITIVE VERB
(to affect)-to upset
Synonyms for alterar
afectar
to affect
consternar
to dismay
conmover
to move
deprimir
to depress
desconsolar
to distress
enconar
to anger
enervar
to exasperate
entristecer
to make sad
impresionar
to impress
obstaculizar
to hinder
Antonyms for alterar
aplacar
to appease
calmar
to calm
alegrar
to cheer up
aliviar
to relieve
consolar
to console
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 afiche
poster
Word of the Day
poster
el afiche
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
X
X
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 © 2025 Dictionary Media Group, Inc., a division of IXL Learning • All Rights Reserved.