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make certain

VERB

ascertain

Synonyms

STRONGEST

confirm determine divine double-check find out verify

STRONG

check dig discover establish eye eyeball fix identify learn peg read see settle size tell

WEAK

catch on check out check up on get down cold get down pat get hold of get it down get the hang of learn the ropes make sure pick up pick up on size up

Antonyms

STRONGEST

disprove invalidate

STRONG

aid assist confuse destroy help ignore look away miss misunderstand neglect overlook unsettle

VERB

ensure

Synonyms

STRONGEST

assure establish insure protect provide safeguard secure

STRONG

arrange certify cinch clinch confirm effect guard okay warrant

WEAK

lock on lock up make safe make sure nail down put on ice set out

Antonyms

STRONGEST

endanger harm hurt injure

STRONG

contradict deny forget ignore invalidate neglect reject repudiate veto

VERB

guarantee

Synonyms

STRONGEST

assure ensure insure maintain protect prove secure support

STRONG

affirm angel attest aver back bankroll certify confirm cosign endorse evidence evince grubstake guaranty juice mortgage reassure stake swear testify wager warrant witness

WEAK

answer for be surety for bind oneself get behind give bond make bail make sure pick up the check pick up the tab sign for stand behind stand up for vouch for

Antonyms

STRONGEST

harm hurt injure let go neglect

STRONG

contradict deny discourage disprove invalidate oppose refute reject repudiate veto

WEAK

break

VERB

mind

Synonyms

STRONGEST

care for notice perceive

STRONG

baby-sit behold discern discipline ensure govern guard look mark note observe oversee regard see sit superintend supervise watch

WEAK

be attentive give heed to have charge of keep an eye on listen up mind the store ride herd on

Antonyms

STRONGEST

neglect overlook

STRONG

disregard forget ignore

VERB

settle

Synonyms

STRONGEST

achieve clear complete conclude decide determine end establish fix negotiate pay put an end to work out

STRONG

adjudicate adjust appoint arrange choose cinch clinch concert confirm discharge dispose figure judge mediate order reconcile regulate rule satisfy seal square verify

WEAK

call the shots clean up clear up come to a conclusion come to a decision come to an agreement form judgment make a decision nail down put into order set to rights

Antonyms

STRONGEST

begin commence destroy ignore neglect start unsettle

STRONG

confuse disagree disarrange disorder disorganize disturb invalidate mismanage mix up upset

VERB

verify

Synonyms

STRONGEST

authenticate certify check corroborate demonstrate double-check establish find out justify prove substantiate

STRONG

attest debunk document eye eyeball peg settle size support test try

WEAK

add up bear out check out check up check up on hold up make sure pan out size up stand up

Antonyms

STRONGEST

conceal confuse contradict deny discredit disprove hide invalidate reject

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.

It is a period of time, mandated by the SEC, during which leaders of a business actively preparing to list on a public stock exchange are not supposed to make certain statements.

From BBC • May 18, 2026

They want to make certain that this technological revolution makes life better, not worse, for them and their families.

From The Wall Street Journal • Apr. 2, 2026

Your relative may lack capacity to make certain decisions, yet retain enough legal capacity to, say, revoke a power of attorney or hire a lawyer.

From MarketWatch • Feb. 24, 2026

If the same process occurs inside the human gut, it could make certain infections more difficult to treat.

From Science Daily • Dec. 2, 2025

“Because I wanted to make certain that Odin was here in Valhalla with the warriors and not in his own hall at the Hlidskjalf, the observation point.”

From "Norse Mythology" by Neil Gaiman

make certain

Example Sentences

Related Words