ambitious

adjective

am·​bi·​tious am-ˈbi-shəs 

1

a

: having or controlled by ambition : having a desire to be successful, powerful, or famous

an ambitious young executive

b

: having a desire to achieve a particular goal : aspiring

ambitious for power

2

: resulting from, characterized by, or showing ambition

an ambitious film

ambitiously adverb

ambitiousness noun

Synonyms

• aspiring

Examples of ambitious in a Sentence

The company was created by two very ambitious young men in the early 1900s.

This 500-page book is her most ambitious effort yet.

Your plans for the future are very ambitious.

It was too ambitious a task for just one person.

Recent Examples on the Web

Oh Ae-sun (played by K-pop superstar IU, who also portrays Ae-sun’s daughter Geum-myeong) is a poor but ambitious girl who grows up on South Korea’s Jeju Island in the 1950s and 1960s. —Regina Kim, Forbes.com, 24 June 2025

This year’s edition, moreover, is more ambitious than ever. —Essie Assibu, Variety, 24 June 2025

The project follows efforts from fellow emirate Dubai to transform its city into a walkable one, while nearby Saudi Arabia is even more ambitious with its incredible building spree, including the JEC Tower and the Line. —New Atlas, 24 June 2025

What’s more, Russia’s strategy in Ukraine has provided a possible playbook not only for China but also for North Korea for using the threat of a nuclear attack as a shield to enable increasingly ambitious regional aggression. —Vipin Narang, Foreign Affairs, 24 June 2025

Word History

Etymology

Middle English ambicious "overweening, craving," borrowed from Middle French & Latin; Middle French ambicieus "striving for success, seeking glory," borrowed from Latin ambitiōsus "anxious to win favor, eager for advancement," from ambitiō "act of soliciting for votes, desire for advancement" + -ōsus -ous — more at ambition entry 1

First Known Use

14th century, in the meaning defined at sense 1a

Phrases Containing ambitious

• ambitious for

Rhymes for ambitious

• adventitious
• cementitious
• expeditious
• inauspicious
• injudicious
• meretricious
• repetitious
• superstitious
• surreptitious
• unambitious
• unpropitious
• unsuspicious

Kids Definition

ambitious

adjective

am·​bi·​tious am-ˈbish-əs 

1

: controlled by or having ambition

ambitious to be captain of the team

2

: showing ambition

an ambitious plan

ambitiously adverb