swear up and down

Strongest matches

• assert
• confirm
• declare
• guarantee
• insist
• maintain
• profess
• ratify
• repeat

Strong matches

• asseverate
• attest
• aver
• avouch
• avow
• certify
• cinch
• clinch
• ice
• okay
• predicate
• pronounce
• set
• state
• swear
• testify
• vouch
• witness

Weak matches

• cross heart
• have a lock on
• lock up
• nail down
• put on ice
• rubber-stamp
• say so
• swear on bible

Strong matches

• acknowledge
• admit
• affirm
• allow
• assert
• aver
• avouch
• concede
• confess
• declare
• grant
• maintain
• proclaim
• swear

Weak matches

• cross one's heart
• own up
• swear on bible

Strongest matches

• buy
• maintain

Strong matches

• assume
• aver
• consider
• credit
• deem
• entertain
• esteem
• feel
• judge
• okay
• presume
• reckon
• regard
• sense
• think
• view

Weak matches

• bet bottom dollar
• cross one's heart
• have hunch
• have sneaking suspicion
• lap up
• lay money on
• set store by
• swear by
• take as gospel truth
• take stock in

Strongest matches

• acknowledge
• admit
• affirm
• avow
• confess
• feign
• pretend
• proclaim
• stump

Strong matches

• allege
• announce
• asseverate
• aver
• avouch
• certify
• claim
• confirm
• croon
• depose
• dissemble
• fake
• maintain
• own
• predicate
• purport
• sing
• spiel
• spout
• state
• vouch

Weak matches

• act as if
• blow hot air
• come out
• constate
• cross heart
• get off chest
• get on soapbox
• make out
• open up
• own up
• say so
• soapbox
• swear on bible
• talk big

Strongest matches

• affirm
• agree
• assure
• commit
• declare
• ensure
• guarantee
• vow

Strong matches

• accede
• affiance
• assent
• bargain
• betroth
• bind
• compact
• consent
• contract
• covenant
• engage
• espouse
• hock
• insure
• mortgage
• obligate
• pass
• pawn
• pledge
• plight
• profess
• secure
• stipulate
• subscribe
• swear
• undertake
• underwrite
• vouch
• warrant

Weak matches

• answer for
• asseverate
• cross heart
• live up to
• say so
• string along
• swear on bible
• take an oath

Strongest matches

• affirm
• assert
• depose
• testify
• vow

Strong matches

• attest
• avow
• covenant
• maintain
• plight
• promise
• state
• trust
• vouch
• warrant

Weak matches

• cross one's heart
• depend on
• give one's word
• give witness
• have confidence in
• make an affidavit
• pledge oneself
• rely on
• say so
• state under oath
• swear by
• swear to God
• take an oath

Strongest matches

• announce
• argue
• assert
• declare
• depose
• indicate
• swear

Strong matches

• affirm
• attest
• bespeak
• betoken
• certify
• corroborate
• demonstrate
• depone
• evince
• mount
• prove
• show
• sing
• state
• warrant
• witness

Weak matches

• bear witness
• cross one's heart
• give evidence
• give facts
• give one's word
• make evident
• point to
• say so
• stand up for
• swear to
• token

Strong matches

• affirm
• assert
• asseverate
• assure
• avert
• avow
• back
• certify
• confirm
• contend
• corroborate
• cosign
• declare
• guarantee
• maintain
• okay
• predicate
• profess
• prove
• sponsor
• substantiate
• support
• testify
• uphold
• verify
• vow
• warrant
• witness

Weak matches

• act as a witness
• answer for
• attest to
• be responsible for
• bear testimony
• get behind
• give an affidavit
• put forth
• rubber-stamp
• say so
• sign for
• stand up for
• swear to

Strongest matches

• affirm
• assure
• declare
• promise
• swear

Strong matches

• consecrate
• covenant
• dedicate
• devote
• pledge
• plight
• testify
• vouch
• warrant

Weak matches

• cross one's heart
• give word of honor
• undertake solemnly