like crazy

ADJECTIVE

fast

Synonyms

STRONGEST

agile brisk hot nimble quick rapid swift

STRONG

accelerated active dashing electric flashing fleet fleeting flying hurried racing ready snap split-second winged

WEAK

PDQ blue streak breakneck double-time expeditious expeditive hairtrigger hasty hypersonic in a jiffy in nothing flat lickety split like a bat out of hell like all get out like mad on the double posthaste presto pronto screamin' snappy speedball supersonic velocious

Antonyms

STRONGEST

clumsy slow

STRONG

dull

WEAK

plodding tardy unhurried

ADJECTIVE

swift

Synonyms

STRONGEST

abrupt expeditious hasty nimble quick rapid speedy sudden unexpected

STRONG

cracking express fleet flying precipitate prompt ready screaming short spanking

WEAK

alacritous barrelling breakneck double-quick fleet-footed headlong hurried in nothing flat like mad on the double pronto shaking a leg short-lived snappy speedball supersonic winged

Antonyms

STRONGEST

delayed expected lazy leisurely slow

WEAK

sluggish

ADVERB

desperately

Synonyms

STRONGEST

badly dangerously fiercely greatly perilously seriously

WEAK

carelessly dramatically gravely harmfully hysterically like mad

Antonyms

STRONGEST

mildly

WEAK

calmly easily trivially

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.

Not only are Koreans trading like crazy, but they appear, to the consternation of some analysts, to be trading like crazy on borrowed money.

From MarketWatch • May 21, 2026

Until then, Friedman said, their “only focus” is on delivering the best possible product to the fans who pack Dodger Stadium every night and shop the team store like crazy.

From Los Angeles Times • Jan. 21, 2026

He arrived early with, he says, "nerves going like crazy".

From BBC • Jan. 19, 2026

One of the Bay Area’s hottest startups is hiring like crazy.

From The Wall Street Journal • Jan. 12, 2026

You ran back down the street while Kat and I laughed like crazy in the window.

From "Thirteen Reasons Why" by Jay Asher

like crazy

Example Sentences

Related Words