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Definitions

for good

ADVERB
finally
Synonyms
STRONGEST
certainly completely decisively definitely permanently
STRONG
lastly
WEAK
assuredly beyond recall beyond shadow of doubt conclusively convincingly determinately done with enduringly for all time for ever in conclusion inescapably inexorably irrevocably once and for all past regret settled with conviction
Antonyms
STRONGEST
doubtfully dubiously questionably
WEAK
inconclusively
ADVERB
forever
Synonyms
STRONGEST
always endlessly eternally permanently
STRONG
evermore perpetually
WEAK
durably enduringly everything considered for always for ever and ever for keeps for life forevermore immortally in perpetuity in perpetuum infinitely interminably lastingly now and forever on and on till Doomsday till blue in the face till death do us part till the cows come home till the end of time unchangingly world without end
Antonyms
WEAK
briefly never temporarily
ADVERB
for keeps
Synonyms
WEAK
permanently till hell freezes over
ADVERB
permanently
Synonyms
STRONGEST
forever
WEAK
enduringly for keeps lastingly

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.

That’s why Lindsey Wallace, 35, finds herself going to discount stores like Dollar Tree or local 99-cent stores in Los Angeles, scouring for good deals.

From The Wall Street Journal • Apr. 3, 2026

This is one film trailer keeping the cards close to its chest, and for good reason: “The Drama” is required viewing.

From Salon • Apr. 3, 2026

Gold began the day deep in the red, and for good reason.

From Barron's • Mar. 23, 2026

But some limits, especially of what’s acceptable, exist for good, sober reasons.

From Salon • Mar. 21, 2026

I unlocked it and slammed it shut behind me for good measure.

From "Glitch" by Laura Martin

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.