- unflappable
- Synonyms and related words:balanced, bovine, collected, composed, constant, cool, dispassionate, dull, easy, even-tempered, fast, fiducial, firm, firm as Gibraltar, fixed, flinty, immovable, impassive, imperturbable, in equilibrium, inexcitable, inflexible, inirritable, loyal, nonchalant, patient, predictable, relaxed, reliable, secure, set, settled, solid, sot, sound, stable, staunch, steadfast, steady, steely, stoic, stolid, substantial, TRUE, unbending, undeflectable, undisturbable, unflinching, unirritable, unnervous, unpassionate, unruffled, unshakable, unshaken, unswerving, unwavering, unyielding, well-balanced, without nerves
Moby Thesaurus. Grady Ward. 1996.