painful

adjective

pain·​ful ˈpān-fəl 

painfuller ˈpān-fə-lər  ; painfullest

1

a

: feeling or giving pain

a painful injury

b

: irksome, annoying

2

: requiring effort or exertion

a long painful trip

3

archaic : careful, diligent

painfully

ˈpān-f(ə-)lē 

adverb

painfulness

ˈpān-fəl-nəs 

noun

Synonyms of painful

• sore
• aching
• hurting

Examples of painful in a Sentence

I got a painful sunburn.

We can't ignore our country's painful history of slavery.

His questions brought up a lot of painful memories.

It was painful to watch.

Recent Examples on the Web

California previously faced tens of billions of dollars in budget deficits, forcing painful cuts such as a rollback last year on a promise to provide free healthcare to low-income immigrants without legal status. — CBS News, 30 June 2026

With Boston sealing the sweep on a game-winning single from Jarren Duran, a nightmarish, long weekend at Fenway Park came to a painful end for the Bombers. — Gary Phillips, New York Daily News, 29 June 2026

Elsewhere in tech, the memory crunch is becoming increasingly painful. — Lim Hui Jie, CNBC, 29 June 2026

Even for the Kremlin, which often plays down painful setbacks, the stark reality has become hard to sidestep. — Matthew Chance, CNN Money, 29 June 2026

Word History

First Known Use

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

Phrases Containing painful

• painful to the touch

Rhymes for painful

• baneful
• gainful
• disdainful

Kids Definition

painful

adjective

pain·​ful ˈpān-fəl 

: feeling or giving pain

painfully

-f(ə-)lē 

adverb

painfulness

-fəl-nəs 

noun

Medical Definition

painful

adjective

pain·​ful ˈpān-fəl 

painfuller -fə-lər  ; painfullest

: feeling or giving pain

painfully

-f(ə-)lē 

adverb