Synonyms of off base

off base

phrase

1

as in incorrect

not being in agreement with what is true

Their guess was completely off base.

Synonyms & Similar Words

• incorrect
• erroneous
• inaccurate
• wrong
• false
• off
• untrue
• invalid
• unsound
• inexact
• untruthful
• misleading
• deceptive
• distorted
• fraudulent
• fictitious
• counterfactual
• illusory
• spurious
• specious
• amiss
• dishonest
• fallacious
• made-up
• awry
• deceitful
• invented
• untested
• unproven
• lying
• delusive
• askew
• delusory
• mendacious
• unconfirmed
• trumped-up
• fabricated

Antonyms & Near Antonyms

• proper
• right
• true
• accurate
• valid
• precise
• exact
• correct
• sound
• factual
• established
• proven
• tested
• confirmed
• demonstrated
• perfect
• errorless
• veracious
• impeccable
• flawless
• faultless
• letter-perfect

2

as in suddenly

without warning

She was caught off base when she heard the knock at the door.

Synonyms & Similar Words

• suddenly
• unexpectedly
• unaware
• unanticipatedly
• unawares
• aback
• abruptly
• all of a sudden
• short
• surprisingly
• amazingly
• astoundingly

Antonyms & Near Antonyms

• slowly
• leisurely
• tardily
• sluggishly
• obviously
• pokily
• laggardly

Example Sentences

Recent Examples of off base

Once married, Sayveon moved off base to live with Jasmyne in Fayetteville. — Meghan O'Brien, NBC news, 20 July 2026