Synonyms of seal

1. sealing wax, seal, fastener, fastening, holdfast, fixing: usage: fastener consisting of a resinous composition that is plastic when warm; used for sealing documents and parcels and letters
2. seal, stamp, device: usage: a device incised to make an impression; used to secure a closing or to authenticate documents
3. seal, sealskin, fur, pelt: usage: the pelt or fur (especially the underfur) of a seal; "a coat of seal"
4. Navy SEAL, SEAL, bluejacket, navy man, sailor, sailor boy: usage: a member of a Naval Special Warfare unit who is trained for unconventional warfare; "SEAL is an acronym for Sea Air and Land"
5. seal, stamp, impression: usage: a stamp affixed to a document (as to attest to its authenticity or to seal it); "the warrant bore the sheriff's seal"
6. cachet, seal, seal of approval, award, accolade, honor, honour, laurels: usage: an indication of approved or superior status
7. seal, coating, coat: usage: a finishing coat applied to exclude moisture
8. seal, fastener, fastening, holdfast, fixing: usage: fastener that provides a tight and perfect closure
9. seal, pinniped mammal, pinniped, pinnatiped: usage: any of numerous marine mammals that come on shore to breed; chiefly of cold regions

1. seal, seal off, close, shut: usage: make tight; secure against leakage; "seal the windows"
2. seal, close, fill up: usage: close with or as if with a seal; "She sealed the letter with hot wax"
3. seal, decide, make up one's mind, determine: usage: decide irrevocably; "sealing dooms"
4. seal, affix, stick on: usage: affix a seal to; "seal the letter"
5. varnish, seal, coat, surface: usage: cover with varnish
6. seal, hunt, run, hunt down, track down: usage: hunt seals