Synonyms|142Antonyms|2|Broader|7Narrower|5Related|38

8 entries under box topic. ×

13
inlet(noun, sound, opening, arm)
7
estuary(noun, sound, opening, entrance)
4
harbor(noun, place, sound, opening)
0
delta(noun, opening, passage, entrance)
0
embouchement(noun, opening, entrance, cavity)
0
fly trap(noun, expression, opening, entrance)
0
gills(noun, opening, entrance, cavity)
0
jaws(noun, opening, entrance, cavity)
For more, visit Firth on Power Thesaurus
11 years ago|2.2k views|share |citing 
APASmart Define. (2015). firth thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/firth/thesaurus/synonyms
ChicagoSmart Define. 2015. "firth thesaurus" https://smartdefine.org/firth/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, firth thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/firth/thesaurus/synonyms>.
MLASmart Define. "firth thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/firth/thesaurus/synonyms>