optimism

noun

op·​ti·​mism ˈäp-tə-ˌmi-zəm 

1

: a doctrine that this world is the best possible world

2

: an inclination to put the most favorable construction upon actions and events or to anticipate the best possible outcome

expressed optimism about the future of the business

the optimism of cheerleaders

Synonyms

• bullishness
• sanguinity

Examples of optimism in a Sentence

Both of them expressed optimism about the future of the town.

The early sales reports are cause for optimism.

There is growing optimism that the problem can be corrected.

He maintains a sense of optimism, despite all that has happened.

Recent Examples on the Web

Flipping your perspective instead of your lid prevents negativity from diminishing your optimism. —Bryan Robinson, Forbes, 9 Jan. 2025

There is far more optimism this time around, thanks in large part to Daniels — nearly a lock to be AP Offensive Rookie of the year — and coach Dan Quinn. —Stephen Whyno, Orlando Sentinel, 9 Jan. 2025

The most important takeaway, though, is that Morgan Stanley and JPMorgan are not wavering in their long-term optimism on Eli Lilly, reiterating their buy-equivalent ratings on the stock. —Kevin Stankiewicz, CNBC, 8 Jan. 2025

Part of that optimism stems from Credo clients’ appetite for body care. —James Manso, WWD, 6 Jan. 2025

Word History

Etymology

borrowed from French optimisme, from Latin optimum "the best, optimum" + French -isme -ism

First Known Use

1759, in the meaning defined at sense 1

Kids Definition

optimism

noun

op·​ti·​mism ˈäp-tə-ˌmiz-əm 

: a habit of expecting everything to turn out for the best

Medical Definition

optimism

noun

op·​ti·​mism ˈäp-tə-ˌmiz-əm 

: an inclination to put the most favorable construction upon actions and events or to anticipate the best possible outcome

optimist

-məst 

noun

optimistic

ˌäp-tə-ˈmis-tik 

adjective