| Clue | Length | Answer |
|---|---|---|
| Rather thick, putting an R in ‘investigate' | 6 letters | sturdy |
| ||
Likely related crossword puzzle clues
- Robust
- Uncompromising
- Well-built
- Strong
- Research leader in survey is resolute
- Something that holds up well; strong
- Solidly built
- Strong and solidly built
- built to last
- unlikely to collapse
- Read about brewer's last stout?
- Stout, strong
- Strong, solid
- Solid
- Think about head of rival firm
- Staunch Republican in office
- Robust redhead enters room
- well-set right in the den
- Stalwart
- Solid, like an oak
- Stout, last of beer, locked in room
- Structurally sound
- Firm resistance: read all about it
- Hard reading about arithmetic?
- Robust; strong
- Strong and reliable
- Strongly built
- twenty-four hours without a sound
- Stout king in his den
- Solid, durable
- rust formed on dry edges is very hard
- Firmly built
- Well-constructed
- Unlikely to tip
- Learn about end of Oliver Hardy
- Stalwart Republican in reading room
- strapping republican in den
- Strongly constructed
- King enters room that's well-built
- robust scrutiny without resistance
- Stout
- Muscular
- Firm
- Powerful
- Fast
- Broad and strongly built
- Strong like oak
- strongly built royal in workroom
- Well-grounded
- well-made
- Adamantine
- Athletic
- Beefy
- Bouncing
- Brawny
- bulky
- ......-burly
- Dense
- Determined
- Doughty
- Durable
- Enduring
- firm-as-Gibraltar
- Flush
- Forceful
- forcible
- forcy
- Full-blooded
- Full-strength
- Gutsy
- gutty
- Hale
- hale and hearty
- Hard ......
- Hard as nails
- Hardy
- Hearty
- Heavy
- Hefty
- Husky
- indomitable
- Infrangible
- iron hard
- Lasting
- Lusty
- made of iron
- Massive
- Mighty
- Nervy
- Obstinate
- Potent
- Puissant
- Red-blooded
- Resolute
- Rigid
- robustious
- robustuous
- rude
- Rugged
- Sound
- Stable
- Staunch
- Steadfast
- Steady
- steely ...
- Strapping
- strong as brandy
- strong as strong
- strong-willed
- Substantial
- Tenacious
- Tough
- Unbreakable
- Unfaltering
- Unswerving
- Unwavering
- Unyielding
- Vigorous
- Vital
- Well-founded
- strapping badger's tail in den
- Robustly made
- well-built royal seen in workroom
- Not likely to collapse
- Strong and durable
- Right inside room that's well built
- cast iron
- strong redhead gets in scholar's den