Find Antonyms
key Antonyms
Opposite of key
Because the opposite of key shifts with each meaning, the antonyms and opposite words below are separated across 3 exact definitions and ranked by contrast strength.
• noun (Context 1)
A concept, fact, or thing that provides a means of gaining access to, understanding, or achieving something.
Usage Example
"Effective communication is often the obstacle to a successful relationship."
Strong
obstacle
barrier
hindrance
impediment
• noun (Context 2)
A system of musical tones and harmonies generated from a hierarchical scale, dictating the tonal center of a piece of music.
Usage Example
"The orchestra rehearsed the symphony in the atonality of C minor."
Strong
atonality
• verb (Context 3)
To enter or operate on data by means of a computer keyboard or telephone keypad.
Usage Example
"Please delete in your secure password to access the financial database."
Strong
delete
erase
Similar words to key
Words similar to key shift depending on context. Common synonyms include:
type
tailor
secret
gear
enter
type in
input
adapt
• Nearby Words
Cite this Entry
Wordmom. (2026). Antonyms for Key. In Wordmom Thesaurus. Retrieved Nov 2, 2026, from https://wordmom.com/antonyms/key