sealer

1 of 2

noun (1)

seal·​er ˈsē-lər 

1

: an official who attests or certifies conformity to a standard of correctness

2

a

: a coat (as of size) applied to prevent subsequent coats of paint or varnish from sinking in

b

: a compound applied to grout especially to repel moisture and prevent staining

Cleaned or newly colored grout will stay that way longer, and be easier to clean, if the grout is coated with a sealer.

—Gene Austin

sealer

2 of 2

noun (2)

: a person or a ship engaged in hunting seals

Examples of sealer in a Sentence

Recent Examples on the Web

Noun

Even if your tile is durable enough to handle acids, the cleaner will strip the sealer right off the grout. —Brandee Gruener, Southern Living, 20 May 2025

Step 2: Apply Sealer Pour sealer onto a cloth or directly on the countertop and spread it evenly over the surface so that all areas are wet. —Brandee Gruener, Southern Living, 28 May 2025

Pro tip: To weatherproof your teak, treat it with teak oil or sealer. —Blake Bakkila, Architectural Digest, 29 Apr. 2025

Snap up these clever food savers that will give groceries a longer shelf life, then keep scrolling to shop a vacuum sealer and more storage containers starting at $14. —Maggie Horton, People.com, 13 Apr. 2025

Word History

First Known Use

Noun (1)

15th century, in the meaning defined at sense 1

Noun (2)

1770, in the meaning defined above

Rhymes for sealer

• dealer
• feeler
• healer
• keeler
• peeler
• stealer
• repealer
• revealer

Kids Definition

sealer

1 of 2 noun

seal·​er ˈsē-lər 

1

: an official who certifies weights and measures

2

: a substance used on a surface to be painted that prevents the paint from sinking in

sealer

2 of 2 noun

: a person or a ship engaged in hunting seals