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Definitions

let down

VERB
disappoint
Synonyms
WEAK
abandon depress disenchant disillusion dissatisfy fail fall short leave in lurch leave stranded lower pull down take down underwhelm
Antonyms
WEAK
benefit satisfy
let-down
ADJECTIVE
disillusioned
Synonyms
STRONGEST
disenchanted embittered
STRONG
broken debunked disabused enlightened freed knowing punctured shattered sophisticated undeceived
WEAK
blasé brought down to earth disenthralled disentranced indifferent mondaine out of love sadder and wiser worldly worldly-wise
Antonyms
WEAK
enchanted encouraged enthusiastic
ADJECTIVE
unhappy
Synonyms
STRONGEST
depressed despondent miserable not happy sorry
STRONG
troubled
WEAK
bleak blue bummed out chapfallen cheerless crestfallen dejected destroyed disconsolate discouraged dismal dispirited distressed doleful down down and out down in the mouth downbeat downcast downhearted dragged dreary forlorn gloomy grim heavy-hearted hurting in a blue funk in pain in the dumps long-faced low melancholy mirthless mournful saddened sorrowful teary
Antonyms
STRONGEST
cheerful elated happy hopeful joyful
WEAK
glad joyous
NOUN
betrayal
Synonyms
STRONGEST
deception dishonesty sellout treachery treason
STRONG
double-crossing double-dealing duplicity falseness giveaway perfidy trickery unfaithfulness
WEAK
Judas kiss
Antonyms
STRONGEST
devotion faithfulness fidelity frankness honesty loyalty openness truthfulness
STRONG
forthrightness
WEAK
protection quiet secret support
NOUN
sellout
Synonyms
STRONGEST
giveaway
STRONG
deception dishonesty double-crossing double-dealing duplicity falseness perfidy treachery treason trickery unfaithfulness
WEAK
Judas kiss double cross
Antonyms
STRONG
devotion faithfulness fidelity forthrightness frankness honesty loyalty openness trustworthiness truthfulness

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.

The mum of two, who was diagnosed last year said she felt she was dismissed by her GP and let down by the NHS.

From BBC • Apr. 23, 2026

But they were let down after the robotaxi took a route to avoid highways that doubled the trip’s time.

From MarketWatch • Apr. 10, 2026

Mr Foreman said the couple, who were arrested in January 2025 while on a global motorbike journey, felt "let down, alone and completely frustrated".

From BBC • Mar. 23, 2026

“I feel sad and let down by her,” Sánchez said, referring to Dolores Huerta.

From Los Angeles Times • Mar. 19, 2026

Malfoy moved over to the compartment door and let down the blinds, so that people in the corridor beyond could not peer in.

From "Harry Potter and the Half-Blood Prince" by J.K. Rowling